APA (7th ed.) Citation

Rosen, E., & Gregory, I. (1965). Abnormal psychology. Saunders.

Chicago Style (17th ed.) Citation

Rosen, Ephraim, and Ian Gregory. Abnormal Psychology. Philadelphia [u.a.]: Saunders, 1965.

MLA (9th ed.) Citation

Rosen, Ephraim, and Ian Gregory. Abnormal Psychology. Saunders, 1965.