APA (7th ed.) Citation

Machen, J. G. (1936). The christian faith in the modern world. Macmillan.

Chicago Style (17th ed.) Citation

Machen, John Gresham. The Christian Faith in the Modern World. New York: Macmillan, 1936.

MLA (9th ed.) Citation

Machen, John Gresham. The Christian Faith in the Modern World. Macmillan, 1936.

Warning: These citations may not always be 100% accurate.