APA (7th ed.) Citation

Van Cleve, T. C. (1972). The Emperor Frederick II of Hohenstaufen: Immutator mundi. Clarendon Press.

Chicago Style (17th ed.) Citation

Van Cleve, Thomas Curtis. The Emperor Frederick II of Hohenstaufen: Immutator Mundi. Oxford: Clarendon Press, 1972.

MLA (8th ed.) Citation

Van Cleve, Thomas Curtis. The Emperor Frederick II of Hohenstaufen: Immutator Mundi. Clarendon Press, 1972.

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