APA (7th ed.) Citation

Beard, C. A., & Beard, W. (1974). Charles A. Beard's The Presidents in American history (9th rev. ed.). J. Messner.

Chicago Style (17th ed.) Citation

Beard, Charles A., and William Beard. Charles A. Beard's The Presidents in American History. 9th rev. ed. New York: J. Messner, 1974.

MLA (8th ed.) Citation

Beard, Charles A., and William Beard. Charles A. Beard's The Presidents in American History. 9th rev. ed. J. Messner, 1974.