APA (7th ed.) Citation

Ramsay, W. M. (1912). The Church in the Roman empire before A.D. 170. Putnam.

Chicago Style (17th ed.) Citation

Ramsay, William Mitchell. The Church in the Roman Empire Before A.D. 170. New York: Putnam, 1912.

MLA (9th ed.) Citation

Ramsay, William Mitchell. The Church in the Roman Empire Before A.D. 170. Putnam, 1912.