Cita APA (7a ed.)
(2001). Harrison's principles of internal medicine (15th ed.). McGraw-Hill.
Cita Chicago Style (17a ed.)
Harrison's Principles of Internal Medicine. 15th ed. New York: McGraw-Hill, 2001.
Cita MLA (9a ed.)
Harrison's Principles of Internal Medicine. 15th ed. McGraw-Hill, 2001.
Precaución: Estas citas no son 100% exactas.