APA

Beard C. A., . (1919). Readings in American government and politics. New York: Macmillan.

Chicago

Beard Charles Austin, . 1919. Readings in American government and politics. New York: Macmillan.

Harvard

Beard C. A., . (1919). Readings in American government and politics. New York: Macmillan.

MLA

Beard Charles Austin, . Readings in American government and politics. New York: Macmillan. 1919.