Cita APA

Beard, C. A., & Beard, M. R. (1930). The rise of American civilization (One volume ed.). The Macmillan Company.

Chicago Style (17th ed.) Citation

Beard, Charles A., i Mary Ritter Beard. The Rise of American Civilization. One volume ed. New York: The Macmillan Company, 1930.

Cita MLA

Beard, Charles A., i Mary Ritter Beard. The Rise of American Civilization. One volume ed. The Macmillan Company, 1930.

Atenció: Aquestes cites poden no estar 100% correctes.