Cita APA (7a ed.)

Dunning, W. A. (1922). A history of political theories. MacMillan.

Cita Chicago Style (17a ed.)

Dunning, William Archibald. A History of Political Theories. New York [etc.]: MacMillan, 1922.

Cita MLA (9a ed.)

Dunning, William Archibald. A History of Political Theories. MacMillan, 1922.