APA Style

Harkness, Georgia. (1957). Christian Ethics . New York: Abingdon Press.

Chicago Style

Harkness, Georgia. Christian Ethics. New York: Abingdon Press, 1957. Text.

MLA Style

Harkness, Georgia. Christian Ethics. New York: Abingdon Press, 1957. Text.

Turabian Style

Harkness, Georgia. Christian Ethics. New York: Abingdon Press, 1957. Print.