Cita APA

Ullmann, L. P., & Krasner, L. (1975). A psychological approach to abnormal behavior. (2. edition.). Englewood Cliffs, New Jersey: Prentice Hall Canada Inc..

Citación estilo Chicago

Ullmann, Leonard P., y Leonard Krasner. A Psychological Approach to Abnormal Behavior. 2. edition. Englewood Cliffs, New Jersey: Prentice Hall Canada Inc., 1975.

Cita MLA

Ullmann, Leonard P., y Leonard Krasner. A Psychological Approach to Abnormal Behavior. 2. edition. Englewood Cliffs, New Jersey: Prentice Hall Canada Inc., 1975.