APA (7th ed.) Citation

Wolman, B. B., & Knapp, S. (1981). Contemporary theories and systems in psychology (2d ed., expanded and rev.). Plenum Press.

Chicago Style (17th ed.) Citation

Wolman, Benjamin B., and Susan Knapp. Contemporary Theories and Systems in Psychology. 2d ed., expanded and rev. New York: Plenum Press, 1981.

MLA (9th ed.) Citation

Wolman, Benjamin B., and Susan Knapp. Contemporary Theories and Systems in Psychology. 2d ed., expanded and rev. Plenum Press, 1981.