Cita APA (7a ed.)

Rakel, R. E., & Rakel, D. (2011). Textbook of family medicine (8th ed.). Elsevier/Saunders.

Cita Chicago Style (17a ed.)

Rakel, Robert E., y David Rakel. Textbook of Family Medicine. 8th ed. Philadelphia: Elsevier/Saunders, 2011.

Cita MLA (9a ed.)

Rakel, Robert E., y David Rakel. Textbook of Family Medicine. 8th ed. Elsevier/Saunders, 2011.