Cita APA (7a ed.)

George Washington University. (1964). Historian's Handbook: A key to the Study and Writing of History (2º ed.). [s.n.].

Cita Chicago Style (17a ed.)

George Washington University. Historian's Handbook: A Key to the Study and Writing of History. 2º ed. Boston: [s.n.], 1964.

Cita MLA (9a ed.)

George Washington University. Historian's Handbook: A Key to the Study and Writing of History. 2º ed. [s.n.], 1964.