Cita APA

O''Brien, J. A. 1. (1949). Truths men live by: A philosophy of religion and life. New York: The Macmillan Company.

Citación estilo Chicago

O''Brien, John A. 1893-1980. Truths Men Live By: A Philosophy of Religion and Life. New York: The Macmillan Company, 1949.

Cita MLA

O''Brien, John A. 1893-1980. Truths Men Live By: A Philosophy of Religion and Life. New York: The Macmillan Company, 1949.