APA (7th ed.) Citation

Callahan, J. M. (1964). Diplomatic history of the Southern Confederacy. Ungar.

Chicago Style (17th ed.) Citation

Callahan, James Morton. Diplomatic History of the Southern Confederacy. New York: Ungar, 1964.

MLA (9th ed.) Citation

Callahan, James Morton. Diplomatic History of the Southern Confederacy. Ungar, 1964.

Warning: These citations may not always be 100% accurate.