APA (7th ed.) Citation

Krug, R. S., & Cass, A. R. (1987). Behavioral science. Springer.

Chicago Style (17th ed.) Citation

Krug, Ronald S., and Alvah R. Cass. Behavioral Science. New York u.a: Springer, 1987.

MLA (9th ed.) Citation

Krug, Ronald S., and Alvah R. Cass. Behavioral Science. Springer, 1987.