APA-Zitierstil (7. Ausg.)

Hatch, A. (1950). American Express: A century of service (1. ed.). Doubleday.

Chicago-Zitierstil (17. Ausg.)

Hatch, Alden. American Express: A Century of Service. 1. ed. Garden City, NY: Doubleday, 1950.

MLA-Zitierstil (9. Ausg.)

Hatch, Alden. American Express: A Century of Service. 1. ed. Doubleday, 1950.