APA (7th ed.) Citation

Duffy, J. C., & Easson, W. M. (1980). Psychiatry, continuing education review (2nd ed.). Medical Examination.

Chicago Style (17th ed.) Citation

Duffy, John C., and William M. Easson. Psychiatry, Continuing Education Review. 2nd ed. [Garden City, N.Y.]: Medical Examination, 1980.

MLA (9th ed.) Citation

Duffy, John C., and William M. Easson. Psychiatry, Continuing Education Review. 2nd ed. Medical Examination, 1980.