APA (7th ed.) Citation

Beard, C. A., & Beard, W. (1949). American government and politics. Macmillan.

Chicago Style (17th ed.) Citation

Beard, Charles Austin, and William Beard. American Government and Politics. New York: Macmillan, 1949.

MLA (9th ed.) Citation

Beard, Charles Austin, and William Beard. American Government and Politics. Macmillan, 1949.