Cita APA

Perritano, J. 1. (2006). Inventions that changed the world. Washington, D.C.: National Geographic Society.

Citación estilo Chicago

Perritano, John 1962-. Inventions That Changed the World. Washington, D.C.: National Geographic Society, 2006.

Cita MLA

Perritano, John 1962-. Inventions That Changed the World. Washington, D.C.: National Geographic Society, 2006.

Precaución: Estas citas no son 100% exactas.