Cita APA (7a ed.)
Kagan, D. (1991). The Western heritage (4th ed.). Prentice Hall.
Cita Chicago Style (17a ed.)
Kagan, Donald. The Western Heritage. 4th ed. New Jersey: Prentice Hall, 1991.
Cita MLA (9a ed.)
Kagan, Donald. The Western Heritage. 4th ed. Prentice Hall, 1991.
Precaución: Estas citas no son 100% exactas.