Cita APA (7a ed.)

Donagan, A., & Donagan, B. (1965). Philosophy of history (2nd printing.). The Macmillan Company [etc.].

Cita Chicago Style (17a ed.)

Donagan, Alan, y Barbara Donagan. Philosophy of History. 2nd printing. New York [etc.]: The Macmillan Company [etc.], 1965.

Cita MLA (9a ed.)

Donagan, Alan, y Barbara Donagan. Philosophy of History. 2nd printing. The Macmillan Company [etc.], 1965.