APA (7th ed.) Citation

Fehrenbach, T. R. (1967). F.D.R.'s undeclared war, 1939 to 1941. D. McKay.

Chicago Style (17th ed.) Citation

Fehrenbach, T. R. F.D.R.'s Undeclared War, 1939 to 1941. New York: D. McKay, 1967.

MLA (9th ed.) Citation

Fehrenbach, T. R. F.D.R.'s Undeclared War, 1939 to 1941. D. McKay, 1967.