APA (7th ed.) Citation

Shahan, T. J. (1902). Catholicism in the Middle Ages. San Fransisco.

Chicago Style (17th ed.) Citation

Shahan, Thomas J. Catholicism in the Middle Ages. San Fransisco, 1902.

MLA (8th ed.) Citation

Shahan, Thomas J. Catholicism in the Middle Ages. San Fransisco, 1902.

Warning: These citations may not always be 100% accurate.