APA-Zitierstil (7. Ausg.)

Grossman, P. Z. (1987). American express: The unofficial history of the people who built the great financial empire (1. ed.). Crown.

Chicago-Zitierstil (17. Ausg.)

Grossman, Peter Z. American Express: The Unofficial History of the People Who Built the Great Financial Empire. 1. ed. New York: Crown, 1987.

MLA-Zitierstil (9. Ausg.)

Grossman, Peter Z. American Express: The Unofficial History of the People Who Built the Great Financial Empire. 1. ed. Crown, 1987.