Freedman, A. M., Kaplan, H. I., & Sadock, B. J. (1975). Comprehensive textbook of psychiatry, II. Williams & Wilkins.
Cita Chicago (17th ed.)Freedman, Alfred M., Harold I. Kaplan, i Benjamin J. Sadock. Comprehensive Textbook of Psychiatry, II. Baltimore: Williams & Wilkins, 1975.
Cita MLA (9th ed.)Freedman, Alfred M., et al. Comprehensive Textbook of Psychiatry, II. Williams & Wilkins, 1975.
Atenció: Aquestes cites poden no estar 100% correctes.