Creative Commons is a flexible copyright license which allows a work to be copied and shared. Open education resources are by definition "open" - accessible and reproducible - and are frequently licensed by Creative Commons.
There are six types of Creative Commons licenses, with varying degrees of openness. This chart will help you distinguish between them:
Creative Commons licenses by Foter (CC-BY-SA)
Creative Commons makes sharing and utilizing knowledge and .
1. Use the Creative Commons license chooser to select the license that's right for you project.
2. Copy and paste the generated logo onto your work.
Remember that every Creative Commons license requires attribution. This means that you must acknowledge the source of the original work.
In your attribution, include the Title, Author, Source and CC License Type of the work. For example:
Adapted from "Technology Today" (www.technologytodayart.com) by Lewis under Creative Commons 4.0.
The important thing is not the format of the attribution, but that you acknowledge the original author and license.
You can also find more detailed information about attribution here, including for various media types and circumstances: