Cita APA (7a ed.)

Agnone, J. V. (2016). What in the world?: A closer look. National Geographic Kids.

Cita Chicago Style (17a ed.)

Agnone, Julie Vosburgh. What in the World?: A Closer Look. Washington, D.C.: National Geographic Kids, 2016.

Cita MLA (8a ed.)

Agnone, Julie Vosburgh. What in the World?: A Closer Look. National Geographic Kids, 2016.

Precaución: Estas citas no son 100% exactas.