Cita APA (7th ed.)

Krupp, M. A. (1980). Current medical diagnosis treatment 1980. Lange Medical.

Cita Chicago (17th ed.)

Krupp, Marcus A. Current Medical Diagnosis Treatment 1980. Lange Medical, 1980.

Cita MLA (9th ed.)

Krupp, Marcus A. Current Medical Diagnosis Treatment 1980. Lange Medical, 1980.