APA (7th ed.) Citation

Snygg, D., & Combs, A. W. (1949). Individual behavior: A new frame of reference for psychology. Harper.

Chicago Style (17th ed.) Citation

Snygg, Donald, and Arthur Wright Combs. Individual Behavior: A New Frame of Reference for Psychology. New York: Harper, 1949.

MLA (9th ed.) Citation

Snygg, Donald, and Arthur Wright Combs. Individual Behavior: A New Frame of Reference for Psychology. Harper, 1949.