APA (7th ed.) Citation

Wagenknecht, E. (1972). Ambassadors for Christ: Seven American preachers. Oxford University Press.

Chicago Style (17th ed.) Citation

Wagenknecht, Edward. Ambassadors for Christ: Seven American Preachers. New York: Oxford University Press, 1972.

MLA (8th ed.) Citation

Wagenknecht, Edward. Ambassadors for Christ: Seven American Preachers. Oxford University Press, 1972.