APA (7th ed.) Citation

Pastor, L., Antrobus, F. I., Kerr, R. F., Graf, E., & Peeler, E. F. (1898). The history of the popes from the close of the Middle Ages: Drawn from the secret archives of the Vatican and other original sources. Herder.

Chicago Style (17th ed.) Citation

Pastor, Ludwig, Frederick Ignatius Antrobus, Ralph Francis Kerr, Ernest Graf, and E. F. Peeler. The History of the Popes from the Close of the Middle Ages: Drawn from the Secret Archives of the Vatican and Other Original Sources. St. Louis: Herder, 1898.

MLA (8th ed.) Citation

Pastor, Ludwig, et al. The History of the Popes from the Close of the Middle Ages: Drawn from the Secret Archives of the Vatican and Other Original Sources. Herder, 1898.