APA (7th ed.) Citation

Cassady, R. F. (2011). The emperor and the saint: Frederick II of Hohenstaufen, Francis of Assisi, and journeys to medieval places. Northern Illinois Univ. Press.

Chicago Style (17th ed.) Citation

Cassady, Richard F. The Emperor and the Saint: Frederick II of Hohenstaufen, Francis of Assisi, and Journeys to Medieval Places. DeKalb, Ill: Northern Illinois Univ. Press, 2011.

MLA (8th ed.) Citation

Cassady, Richard F. The Emperor and the Saint: Frederick II of Hohenstaufen, Francis of Assisi, and Journeys to Medieval Places. Northern Illinois Univ. Press, 2011.