Cita APA

Knickerbocker, H. R. (1941). Is tomorrow Hitler's?: 200 questions on the battle of mankind. Reynal & Hitchcock.

Citación estilo Chicago

Knickerbocker, Hubert R. Is Tomorrow Hitler's?: 200 Questions on the Battle of Mankind. New York: Reynal & Hitchcock, 1941.

Cita MLA

Knickerbocker, Hubert R. Is Tomorrow Hitler's?: 200 Questions on the Battle of Mankind. Reynal & Hitchcock, 1941.