APA (7th ed.) Zitazioa

Beard, C. A., & Beard, M. R. (1933). The rise of american civilization. Macmillan.

Chicago Style (17th ed.) Zitazioa

Beard, Charles A., eta Mary R. Beard. The Rise of American Civilization. Nueva York: Macmillan, 1933.

MLA (9th ed.) Zitazioa

Beard, Charles A., eta Mary R. Beard. The Rise of American Civilization. Macmillan, 1933.