Gaya APA

Rosen, E., E, I, F, R. (1972). Abnormal psychology . Philadelphia: Philadelphia: W.B. Saunders; 1972.

Gaya MLA

Rosen, Ephraim., E, I., Fox,, Ronald. "Abnormal psychology". Philadelphia: Philadelphia: W.B. Saunders; 1972, 1972. Text.