Crawford, W. (2011). Open access: What you need to know now. American Library Association.
Chicago-Zitierstil (17. Ausg.)Crawford, Walt. Open Access: What You Need to Know Now. Chicago: American Library Association, 2011.
MLA-Zitierstil (9. Ausg.)Crawford, Walt. Open Access: What You Need to Know Now. American Library Association, 2011.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.