APA (7th ed.) Citation

Ullmann, L. P., & Krasner, L. (1969). A psychological approach to abnormal behavior. Prentice-Hall.

Chicago Style (17th ed.) Citation

Ullmann, Leonard P., and Leonard Krasner. A Psychological Approach to Abnormal Behavior. Englewood Cliffs, N.J: Prentice-Hall, 1969.

MLA (9th ed.) Citation

Ullmann, Leonard P., and Leonard Krasner. A Psychological Approach to Abnormal Behavior. Prentice-Hall, 1969.