APA (7th ed.) Citation

Henninger, M. G., & Henninger, M. G. (1989). Relations: Medieval theories 1250-1325. Clarendon Press.

Chicago Style (17th ed.) Citation

Henninger, Mark G., and Mark Gerald Henninger. Relations: Medieval Theories 1250-1325. Oxford: Clarendon Press, 1989.

MLA (8th ed.) Citation

Henninger, Mark G., and Mark Gerald Henninger. Relations: Medieval Theories 1250-1325. Clarendon Press, 1989.

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