APA (7th ed.) Citation

Kerley, B. (2015). With a friend by your side. National Geographic.

Chicago Style (17th ed.) Citation

Kerley, Barbara. With a Friend by Your Side. Washington, D.C.: National Geographic, 2015.

MLA (8th ed.) Citation

Kerley, Barbara. With a Friend by Your Side. National Geographic, 2015.

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