APA (7th ed.) Citation

Ullmann, L. P., & Krasner, L. (1975). A psychological approach to abnormal behavior / (by) Leonard P. Ullmann, Leonard Krasner (2nd ed.). Prentice-Hall.

Chicago Style (17th ed.) Citation

Ullmann, Leonard P., and Leonard Krasner. A Psychological Approach to Abnormal Behavior / (by) Leonard P. Ullmann, Leonard Krasner. 2nd ed. Englewood Cliffs ; London (etc.): Prentice-Hall, 1975.

MLA (9th ed.) Citation

Ullmann, Leonard P., and Leonard Krasner. A Psychological Approach to Abnormal Behavior / (by) Leonard P. Ullmann, Leonard Krasner. 2nd ed. Prentice-Hall, 1975.

Warning: These citations may not always be 100% accurate.