Cita APA (7th ed.)

Jekel, J. F. (1996). Epidemiology, biostatistics and preventive medicine. Saunders.

Cita Chicago (17th ed.)

Jekel, James F. Epidemiology, Biostatistics and Preventive Medicine. Philadelphia: Saunders, 1996.

Cita MLA (9th ed.)

Jekel, James F. Epidemiology, Biostatistics and Preventive Medicine. Saunders, 1996.