APA (7th ed.) Citation

Ranke, L. v., & Fowler, E. (1901). History of the popes: Their church and state. Collier.

Chicago Style (17th ed.) Citation

Ranke, Leopold von, and E. Fowler. History of the Popes: Their Church and State. New York: Collier, 1901.

MLA (9th ed.) Citation

Ranke, Leopold von, and E. Fowler. History of the Popes: Their Church and State. Collier, 1901.