APA (7th ed.) Citation

Ludwig, A. M. (1980). Principles of clinical psychiatry. Free Pr.

Chicago Style (17th ed.) Citation

Ludwig, Arnold M. Principles of Clinical Psychiatry. New York: Free Pr, 1980.

MLA (9th ed.) Citation

Ludwig, Arnold M. Principles of Clinical Psychiatry. Free Pr, 1980.

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