APA (7th ed.) Citation
Spitzer, R. L., & Skodol, A. E. (1981). DSM-III Case Book: A Learning Companion to the Diagnostic and statistical manual of Mental Disorders (Third Edition). The American Psychiatric Association.
Chicago Style (17th ed.) Citation
Spitzer, Robert L., and Andrew E. Skodol. DSM-III Case Book: A Learning Companion to the Diagnostic and Statistical Manual of Mental Disorders (Third Edition). New York: The American Psychiatric Association, 1981.
MLA (9th ed.) Citation
Spitzer, Robert L., and Andrew E. Skodol. DSM-III Case Book: A Learning Companion to the Diagnostic and Statistical Manual of Mental Disorders (Third Edition). The American Psychiatric Association, 1981.
Warning: These citations may not always be 100% accurate.