Cita APA (7a ed.)

Thorn, G. W., Adams, R. D., Isselbacher, K. J., & Petersdorf, R. G. (1977). Harrison's principles of internal medicine (8a ed.). McGraw-Hill.

Cita Chicago Style (17a ed.)

Thorn, George W., Raymond D. Adams, Kurt J. Isselbacher, y Robert G. Petersdorf. Harrison's Principles of Internal Medicine. 8a ed. New York: McGraw-Hill, 1977.

Cita MLA (8a ed.)

Thorn, George W., et al. Harrison's Principles of Internal Medicine. 8a ed. McGraw-Hill, 1977.