Cita APA

Beard, C. A. (1961). The presidents in american history. Julian Messner.

Citación estilo Chicago

Beard, Charles A. The Presidents in American History. Nueva York: Julian Messner, 1961.

Cita MLA

Beard, Charles A. The Presidents in American History. Julian Messner, 1961.

Warning: These citations may not always be 100% accurate.