Cita APA (7th ed.)

Harrison, T. R. (1998). Principles of internal medicine (14 ed.). McGraw-Hill-Editions.

Cita Chicago (17th ed.)

Harrison, T. R. Principles of Internal Medicine. 14 ed. Mexico: McGraw-Hill-Editions, 1998.

Cita MLA (9th ed.)

Harrison, T. R. Principles of Internal Medicine. 14 ed. McGraw-Hill-Editions, 1998.