APA (7th ed.) Zitazioa

Marrin, A. (1979). Sir Norman Angell. Twayne.

Chicago Style (17th ed.) Zitazioa

Marrin, Albert. Sir Norman Angell. Boston: Twayne, 1979.

MLA (9th ed.) Zitazioa

Marrin, Albert. Sir Norman Angell. Twayne, 1979.