APA (7th ed.) Citation

Kantorowicz, E. (1957). Frederick the Second, 1194-1250. Ungar Pub.

Chicago Style (17th ed.) Citation

Kantorowicz, Ernst. Frederick the Second, 1194-1250. New York: Ungar Pub, 1957.

MLA (9th ed.) Citation

Kantorowicz, Ernst. Frederick the Second, 1194-1250. Ungar Pub, 1957.

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