APA (7th ed.) Citation

Simmons, H. E. (1965). A concise encyclopedia of the Civil War. Bonanza Books.

Chicago Style (17th ed.) Citation

Simmons, Henry E. A Concise Encyclopedia of the Civil War. New York: Bonanza Books, 1965.

MLA (9th ed.) Citation

Simmons, Henry E. A Concise Encyclopedia of the Civil War. Bonanza Books, 1965.