Cita APA (7th ed.)
Hammer, B. (2000). History lessons. Barbara Hammer.
Cita Chicago (17th ed.)
Hammer, Barbara. History Lessons. New York: Barbara Hammer, 2000.
Cita MLA (9th ed.)
Hammer, Barbara. History Lessons. Barbara Hammer, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.