Cita APA (7th ed.)
Bernstein, H. (2008). The invisible wall: A love story that broke barriers (2008 Ballantine Books Trade Paperbacks ed.). Ballantine Books.
Cita Chicago (17th ed.)
Bernstein, Harry. The Invisible Wall: A Love Story That Broke Barriers. 2008 Ballantine Books Trade Paperbacks ed. New York: Ballantine Books, 2008.
Cita MLA (9th ed.)
Bernstein, Harry. The Invisible Wall: A Love Story That Broke Barriers. 2008 Ballantine Books Trade Paperbacks ed. Ballantine Books, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.