Cita APA (7a ed.)

Guttmann, R. D. (1981). Inmunology. Upjohn.

Cita Chicago Style (17a ed.)

Guttmann, Ronald D. Inmunology. Washington, D.C: Upjohn, 1981.

Cita MLA (9a ed.)

Guttmann, Ronald D. Inmunology. Upjohn, 1981.