APA (7th ed.) Citation

DUFFY. (1988). Frederick the Great: A military life. Routledge.

Chicago Style (17th ed.) Citation

DUFFY. Frederick the Great: A Military Life. New York: Routledge, 1988.

MLA (8th ed.) Citation

DUFFY. Frederick the Great: A Military Life. Routledge, 1988.

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