Author puts license on work.
For example,
"© 2015 Aaron Perzanowski & Jason Schultz. Individuals and nonprofit institutions may reproduce and distribute copies of this Article in any format at or below cost, for educational purposes, so long as each copy identifies the author, provides a citation to the Notre Dame Law Review, and includes this provision in the copyright notice." Aaron Perzanowski and Jason Schultz, "Reconciling Intellectual and Personal Property," 29 Berkeley Tech. L.J. 1535 (2015).
Creative Commons, Creative Commons Licenses (last visited 6/2019).
The main ones are:
NOTE: Copyright Notice
Many of licenses require the user of the work to make sure that copyright notice is affixed to the used work. For information on how to create a copyright statement see, U.S. Copyright Office, Circular 3: Copyright Notice (last revised 9/2017).
Acceptable Use Policy - OhioLINK EJC
Excerpt:
'EXAMPLES OF ALLOWED USES OF THE EJC