APA (7th ed.) Citation

Wilbur, E. M. (1946). A history of unitarianism. Harvard Univ. Press.

Chicago Style (17th ed.) Citation

Wilbur, Earl Morse. A History of Unitarianism. Cambridge, Mass: Harvard Univ. Press, 1946.

MLA (9th ed.) Citation

Wilbur, Earl Morse. A History of Unitarianism. Harvard Univ. Press, 1946.