APA aipamena

Charles A. Beard. (1962). The American spirit: A study of the idea of civilization in the United States. New York: Collier books.

Chicago Style aipamena

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

MLA aipamena

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