APA (7th ed.) Citation

Jacobs, B., & Jacobs, J. (2015). Life is good: The book. National Geographic.

Chicago Style (17th ed.) Citation

Jacobs, Bert, and John Jacobs. Life Is Good: The Book. Washington, D.C.: National Geographic, 2015.

MLA (8th ed.) Citation

Jacobs, Bert, and John Jacobs. Life Is Good: The Book. National Geographic, 2015.

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