APA (7th ed.) Citation

Earle, S. A. (2009). The world is blue: How our fate and the ocean's are one. National Geographic.

Chicago Style (17th ed.) Citation

Earle, Sylvia A. The World Is Blue: How Our Fate and the Ocean's Are One. Washington, D.C.: National Geographic, 2009.

MLA (8th ed.) Citation

Earle, Sylvia A. The World Is Blue: How Our Fate and the Ocean's Are One. National Geographic, 2009.

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