APA (7th ed.) Citation

Beard, C. A., & Beard, M. R. (1962). The American spirit: A study of the idea of civilization in the United States. Collier Books.

Chicago Style (17th ed.) Citation

Beard, Charles A., and Mary Ritter Beard. The American Spirit: A Study of the Idea of Civilization in the United States. New York: Collier Books, 1962.

MLA (9th ed.) Citation

Beard, Charles A., and Mary Ritter Beard. The American Spirit: A Study of the Idea of Civilization in the United States. Collier Books, 1962.