Difference between revisions of "Best practices for attribution"

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New title will be: Best practices for attribution

You can use CC-licensed materials as long as you follow the license conditions. One condition of all CC licenses is attribution. Here are some good (and not so good) examples of attribution. Note: If you want to learn how to mark your own material with a CC license go here.

Examples of attribution

Here is a photo. Following it are some examples of how people might attribute it.

8256206923 c77e85319e n.jpg

This is an ideal attribution

"Creative Commons 10th Birthday Celebration San Francisco" by tvol is licensed under CC BY 2.0


Author? " tvol" - linked to his profile page
Source? "Creative Commons 10th Birthday Celebration San Francisco" - linked to original Flickr page
License? " CC BY" - linked to license deed

This is a pretty good attribution

Photo by tvol / CC BY


Author? "tvol"
Source? "Photo" - linked to original Flickr page
License? "CC BY" - linked to license deed

This is an incorrect attribution

Photo: Creative Commons


Author? Creative Commons is not the author of this photo.
Source? No link to original photo.
License? There is no mention of the license, much less a link to the license. "Creative Commons" is an organization.

This is a good attribution for material you modified slightly

8256206923 c77e85319e n desaturated.jpg
"Creative Commons 10th Birthday Celebration San Francisco" by tvol, used under CC BY / Desaturated from original


Author, Source, and License are all noted
Modification? "Desaturated from original"

This is a good attribution for material from which you created a derivative work

8256206923 c77e85319e n 90fied.jpg
This work, "90fied", is a derivative of "Creative Commons 10th Birthday Celebration San Francisco" by tvol, used under CC BY. "90fied" is licensed under CC BY by [Your name here].


Original Author, Source, and License are all noted
Derivative? "This work, "90fied", is a derivative of..."
New author of the derivative work is also noted

Note: If you're at a point where you are licensing derivative works, go to Marking your work with a CC license.

This is a good attribution for material from multiple sources

Saylor marking example.jpg


Author? Different authors noted for the different works.
Source? Original materials are linked for each work
License? The different licenses (Creative Commons Attribution for Collaborative Statistics and Creative Commons Attribution-Noncommercial-ShareAlike for the Khan Academy video) are spelled out and linked for each work
Lastly, it is clear which attribution belongs to which work.

You can visit the Saylor.org Introduction to Statistics course page to see how they marked it up directly.

Author, Source, License

A good rule of thumb is to use the acronym ASL, which stands for Author, Source, License.

Author - Who owns the material?

Name the author or authors of the material in question. Sometimes, the licensor may want you to give credit to some other entity, like a company or pseudonym. In rare cases, the licensor may not want to be attributed at all. In all of these cases, just do what they request.

Source - Where can I find it?

Since you somehow accessed the material, you know where to find it. Provide the source of the material so others can, too. Since we live in the age of the Internet, this is usually a URL or hyperlink where the material resides.

License - How can I use it?

You are obviously using the material for free thanks to the CC license, so make note of it. Don't just say the material is Creative Commons, because that says nothing about how the material can actually be used. Remember that there are six different CC licenses; which one is the material under? Name and provide a link to it, eg. http://creativecommons.org/licenses/by/4.0/ for CC BY.

Lastly, is there anything else I should know before I use it?

When you accessed the material originally did it come with any copyright notices, disclaimers, or warranties? Because that kind of legal mumbo jumbo is actually pretty important to potential users of the material. So best practice is to just retain all of that stuff by copying and pasting it into your attribution. Don't make it anymore complicated than it is -- just pass on any info you think is important.

Devil in the details

If you have any doubts or questions, you can read the complete attribution requirements which are spelled out in detail in the legal code of every CC license, eg. http://creativecommons.org/licenses/by/4.0/legalcode.

Don't make it too complicated

The license tells you to be reasonable:

You may satisfy the conditions in (1) and (2) above in any reasonable manner based on the medium, means and context in which the Licensed Material is used. For example, it may be reasonable to satisfy some or all of the conditions by retaining a copyright notice, or by providing a URI or hyperlink associated with the Licensed Material, if the copyright notice or webpage includes some or all of the required information.

There is no one right way; just make sure your attribution is reasonable and suited to the medium you're working with. (More on different mediums below.)

Attribution in specific media

As stated above, best practices for attribution apply as reasonable to the medium you're working with. For media such as offline materials, video, audio, and images, consider:

1. Publishing a web page with attribution information. For example, on a webpage featuring your audio recording, provide a credit list of material you used that adheres to best practices above. Doing so allows not only your material, but the materials you attribute, to be found by search engines and other web discovery tools. If possible within the medium, make the Author, Source, and License links the user can follow.
This video features the song "Desaprendere (Treatment)" by fourstones, available under a Creative Commons Attribution-Noncommercial license.
2. Mentioning the credits within the media itself. For example, crediting videos can be a simple list of the materials used with their associated licenses in a screen at the end of a video. For audio, it can be a verbal recitation of credits at the end of the recording.
Video example 1: "Science Commons" by Jesse Dylan - see attribution starting at 1:52
Video example 2: "Video Editing and Shot Techniques: Study of jump cuts, match cuts and cutaways " video by New Media Rights - see attribution starting at 3:21
Audio example: "Down and Out in the Magic Kingdom" by Cory Doctorow read aloud. Mastered by John Taylor Williams - listen to attribution starting at 17:08

If you want to get Technical

If you really want to go there, we have a document about marking materials so that they are machine-readable.

Other guides to attribution