APA (7th ed.) Citation

Krug, R. S., & Cass, A. R. (1995). Behavioral sciences (4., rev. ed.). Springer.

Chicago Style (17th ed.) Citation

Krug, Ronald S., and Alvah R. Cass. Behavioral Sciences. 4., rev. ed. New York [u.a.]: Springer, 1995.

MLA (9th ed.) Citation

Krug, Ronald S., and Alvah R. Cass. Behavioral Sciences. 4., rev. ed. Springer, 1995.