APA (7th ed.) Citation

Mains, G. P. (1928). Mental phases in a spiritual biography. Harper & Brothers.

Chicago Style (17th ed.) Citation

Mains, George Preston. Mental Phases in a Spiritual Biography. New York: Harper & Brothers, 1928.

MLA (9th ed.) Citation

Mains, George Preston. Mental Phases in a Spiritual Biography. Harper & Brothers, 1928.