APA (7th ed.) Citation

Durkin, H. E. (1965). The group in depth. International Universities Press.

Chicago Style (17th ed.) Citation

Durkin, Helen Elise. The Group in Depth. New York: International Universities Press, 1965.

MLA (9th ed.) Citation

Durkin, Helen Elise. The Group in Depth. International Universities Press, 1965.