MLA

Aegidius Romanus, David C Fowler, and John Trevisa. The Governance of Kings and Princes: John Trevisa's Middle English Translation of the De Regimine Principum of Aegidius Romanus. New York (N.Y.): Garland, 1997.

APA

Aegidius Romanus, A. Romanus, Fowler, D. C, & Trevisa, J. (1997). The governance of kings and princes: John Trevisa's Middle English translation of the De regimine principum of Aegidius Romanus. New York (N.Y.): Garland.

Chicago

Aegidius Romanus. The Governance of Kings and Princes: John Trevisa's Middle English Translation of the De Regimine Principum of Aegidius Romanus. Translated by John Trevisa. Edited by David C Fowler. New York (N.Y.): Garland, 1997.