Cita APA (7th ed.)
Kagan, D. (1983). The Western heritage: Since 1648 (2nd ed.). Macmillan.
Cita Chicago (17th ed.)
Kagan, Donald. The Western Heritage: Since 1648. 2nd ed. New York: Macmillan, 1983.
Cita MLA (9th ed.)
Kagan, Donald. The Western Heritage: Since 1648. 2nd ed. Macmillan, 1983.
Atenció: Aquestes cites poden no estar 100% correctes.