APA (7th ed.) Citation

Pastor, L. f. v., & Antrobus, F. I. (1938). The history of the popes: From the close of the middle ages. K. Paul, Trench, Trubner.

Chicago Style (17th ed.) Citation

Pastor, Ludwig freiherr von, and Frederick Igntiius Antrobus. The History of the Popes: From the Close of the Middle Ages. London: K. Paul, Trench, Trubner, 1938.

MLA (9th ed.) Citation

Pastor, Ludwig freiherr von, and Frederick Igntiius Antrobus. The History of the Popes: From the Close of the Middle Ages. K. Paul, Trench, Trubner, 1938.