Cita APA (7th ed.)
Facts on File, Inc. (2007). The Facts on File encyclopedia of health and medicine. Volume 2. Facts On File.
Cita Chicago (17th ed.)
Facts on File, Inc. The Facts on File Encyclopedia of Health and Medicine. Volume 2. New York, NY: Facts On File, 2007.
Cita MLA (9th ed.)
Facts on File, Inc. The Facts on File Encyclopedia of Health and Medicine. Volume 2. Facts On File, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.