Cita APA

Sackett, D. L., Haynes, R. B., & Tugwell, P. (1985). Clinical epidemiology: A basic science for clinical medicine. Boston: Little Brown.

Citación estilo Chicago

Sackett, David L., R. Brian Haynes, y Peter Tugwell. Clinical Epidemiology: A Basic Science for Clinical Medicine. Boston: Little Brown, 1985.

Cita MLA

Sackett, David L., R. Brian Haynes, y Peter Tugwell. Clinical Epidemiology: A Basic Science for Clinical Medicine. Boston: Little Brown, 1985.