APA (7e ed.) Bronvermelding

Harkness, G. (1952). The modern rival of christian faith: An analysis of secularism. Abingdon Press.

Chicago (17e ed.) Bronvermelding

Harkness, Georgia. The Modern Rival of Christian Faith: An Analysis of Secularism. New York: Abingdon Press, 1952.

MLA (9e ed.) Bronvermelding

Harkness, Georgia. The Modern Rival of Christian Faith: An Analysis of Secularism. Abingdon Press, 1952.