APA (7th ed.) Citation

Enslin, M. S. (1956). Christian beginnings: Parts I and II. Harper & Row.

Chicago Style (17th ed.) Citation

Enslin, Morton Scott. Christian Beginnings: Parts I and II. New York [etc.]: Harper & Row, 1956.

MLA (9th ed.) Citation

Enslin, Morton Scott. Christian Beginnings: Parts I and II. Harper & Row, 1956.