APA (7th ed.) Citation

Rosen, E., Fox, R. E., Gregory, I., & Cashdan, S. (1972). Abnormal psychology. Saunders.

Chicago Style (17th ed.) Citation

Rosen, Ephraim, Ronald E. Fox, Ian Gregory, and Sheldon Cashdan. Abnormal Psychology. Philadelphia: Saunders, 1972.

MLA (9th ed.) Citation

Rosen, Ephraim, et al. Abnormal Psychology. Saunders, 1972.