Giles of Rome's On ecclesiastical power a medieval theory of world government.

MLA

Aegidius Romanus, and Robert W Dyson. Giles of Rome's On Ecclesiastical Power: a Medieval Theory of World Government. New York: Columbia university press, 2004.

APA

Aegidius Romanus, A. Romanus, & Dyson, R. W. (2004). Giles of Rome's On ecclesiastical power: a medieval theory of world government. New York: Columbia university press.

Chicago

Aegidius Romanus. Giles of Rome's On Ecclesiastical Power: A Medieval Theory of World Government. Edited by Robert W Dyson. New York: Columbia university press, 2004.