APA引文

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引文

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

警告：這些引文格式不一定是100％准確.