Cita APA (7a ed.)

Barnard, B. (2005). Outbreak: Plagues that changed history. Crown Publishers.

Cita Chicago Style (17a ed.)

Barnard, Bryn. Outbreak: Plagues That Changed History. New York: Crown Publishers, 2005.

Cita MLA (8a ed.)

Barnard, Bryn. Outbreak: Plagues That Changed History. Crown Publishers, 2005.

Precaución: Estas citas no son 100% exactas.