APA (7th ed.) Citation

Colman, A. M., & Lazarus, A. A. (1995). Abnormal psychology. Longman Group.

Chicago Style (17th ed.) Citation

Colman, Andrew M., and Arnold A. Lazarus. Abnormal Psychology. London: Longman Group, 1995.

MLA (9th ed.) Citation

Colman, Andrew M., and Arnold A. Lazarus. Abnormal Psychology. Longman Group, 1995.