Cita APA (7a ed.)

Gershman, K., & McCullough, D. M. (2002). Blackwell's primary care essentials: Geriatrics (2nd ed.). Blackwell Science.

Cita Chicago Style (17a ed.)

Gershman, Karen, y Dennis M. McCullough. Blackwell's Primary Care Essentials: Geriatrics. 2nd ed. Malden, Mass.: Blackwell Science, 2002.

Cita MLA (9a ed.)

Gershman, Karen, y Dennis M. McCullough. Blackwell's Primary Care Essentials: Geriatrics. 2nd ed. Blackwell Science, 2002.