Cita APA (7a ed.)

Thomas, C. B., Ross, D. C., & Freed, E. S. (19). Studies on the psychological characteristics of medical students. Johns Hopkins Press.

Cita Chicago Style (17a ed.)

Thomas, Caroline B., Donald Clarence Ross, y Ellen S. Freed. Studies on the Psychological Characteristics of Medical Students. Baltimore: Johns Hopkins Press, 19.

Cita MLA (9a ed.)

Thomas, Caroline B., et al. Studies on the Psychological Characteristics of Medical Students. Johns Hopkins Press, 19.