Cita APA (7a ed.)

Beer, J., & Harris, M. (2018). Extreme records. National Geographic.

Cita Chicago Style (17a ed.)

Beer, Julie, y Michelle Harris. Extreme Records. Washington, D.C.: National Geographic, 2018.

Cita MLA (8a ed.)

Beer, Julie, y Michelle Harris. Extreme Records. National Geographic, 2018.

Precaución: Estas citas no son 100% exactas.