APA (7th ed.) Citation

Nichols, W. C. (1988). Marital therapy: An integrative approach. Guilford Press.

Chicago Style (17th ed.) Citation

Nichols, William C. Marital Therapy: An Integrative Approach. New York: Guilford Press, 1988.

MLA (9th ed.) Citation

Nichols, William C. Marital Therapy: An Integrative Approach. Guilford Press, 1988.