Cita APA (7a ed.)

English Language Services, I. (1966). Libro de medicina 3. The Macmillan Company.

Cita Chicago Style (17a ed.)

English Language Services, Inc. Libro De Medicina 3. Washington, D.C: The Macmillan Company, 1966.

Cita MLA (9a ed.)

English Language Services, Inc. Libro De Medicina 3. The Macmillan Company, 1966.