Cita APA

Donagan, A. 1., & Donagan, B. (1965). Philosophy of history (2nd printing.). New York [etc.]: The Macmillan Company [etc.].

Citación estilo Chicago

Donagan, Alan 1925-1991, and Barbara Donagan. Philosophy of History. 2nd printing. New York [etc.]: The Macmillan Company [etc.], 1965.

Cita MLA

Donagan, Alan 1925-1991, and Barbara Donagan. Philosophy of History. 2nd printing. New York [etc.]: The Macmillan Company [etc.], 1965.