Cita APA

Beard, C. A. (1971). The american spirit: A study of the idea of civilization in the united states. Collier.

Citación estilo Chicago

Beard, Charles A. The American Spirit: A Study of the Idea of Civilization in the United States. New York: Collier, 1971.

Cita MLA

Beard, Charles A. The American Spirit: A Study of the Idea of Civilization in the United States. New York: Collier, 1971.