APA (7th ed.) Citation

Green, J. (2015). Our world: Incredible but true facts. Discovery communications.

Chicago Style (17th ed.) Citation

Green, Jen. Our World: Incredible but True Facts. U.K.: Discovery communications, 2015.

MLA (9th ed.) Citation

Green, Jen. Our World: Incredible but True Facts. Discovery communications, 2015.

Warning: These citations may not always be 100% accurate.