APA引文

Shaffer, J. J. (2017). City and country. National Geographic.

Chicago Style (17th ed.) Citation

Shaffer, Jody Jensen. City and Country. Washington, D.C.: National Geographic, 2017.

MLA引文

Shaffer, Jody Jensen. City and Country. National Geographic, 2017.

警告：這些引文格式不一定是100％准確.