APA (7th ed.) Citation

Kantorowicz, E. H. (1957). Frederick the Second, 1194-1250. Authorized English version by E. O. Lorimer. Ungar.

Chicago Style (17th ed.) Citation

Kantorowicz, Ernst H. Frederick the Second, 1194-1250. Authorized English Version by E. O. Lorimer. New York: Ungar, 1957.

MLA (9th ed.) Citation

Kantorowicz, Ernst H. Frederick the Second, 1194-1250. Authorized English Version by E. O. Lorimer. Ungar, 1957.

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