Cita APA

Harrison, T. R., & Wilson, J. D. (1991). Harrison's principles of internal medicine (12th ed.). McGraw-Hill, Health Profession Division.

Citación estilo Chicago

Harrison, Tinsley Randolph, and Jean D. Wilson. Harrison's Principles of Internal Medicine. 12th ed. New York: McGraw-Hill, Health Profession Division, 1991.

Cita MLA

Harrison, Tinsley Randolph, and Jean D. Wilson. Harrison's Principles of Internal Medicine. 12th ed. McGraw-Hill, Health Profession Division, 1991.