APA (7th ed.) Citation

Hay, I. M. (1977). Now why did I do that?: The Biblical basis of motivation. Sudan Interior Mission.

Chicago Style (17th ed.) Citation

Hay, Ian M. Now Why Did I Do That?: The Biblical Basis of Motivation. Cedar Grove, N.J.: Sudan Interior Mission, 1977.

MLA (9th ed.) Citation

Hay, Ian M. Now Why Did I Do That?: The Biblical Basis of Motivation. Sudan Interior Mission, 1977.