Cita APA

Ullmann, L. P. K. L., & Krasner Leonard. (1975). Psychological approach to abnormal behavior (2nd.). Prentice-Hall.

Chicago Edition Citation

Ullmann, Leonard P Krasner Leonard, i Krasner Leonard. Psychological Approach to Abnormal Behavior. 2nd. New Jersey: Prentice-Hall, 1975.

Cita MLA

Ullmann, Leonard P Krasner Leonard, i Krasner Leonard. Psychological Approach to Abnormal Behavior. 2nd. Prentice-Hall, 1975.