APA (7th ed.) Citation

Ritter, G. (1968). Frederick the Great; a historical profile. University of California Press.

Chicago Style (17th ed.) Citation

Ritter, Gerhard. Frederick the Great; a Historical Profile. Berkeley: University of California Press, 1968.

MLA (9th ed.) Citation

Ritter, Gerhard. Frederick the Great; a Historical Profile. University of California Press, 1968.

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