APA引文

Buettner, D. (2017). The blue zones of happiness: Lessons from the world's happiest people. National Geographic.

Chicago Style (17th ed.) Citation

Buettner, Dan. The Blue Zones of Happiness: Lessons from the World's Happiest People. Washington, D.C.: National Geographic, 2017.

MLA引文

Buettner, Dan. The Blue Zones of Happiness: Lessons from the World's Happiest People. National Geographic, 2017.

警告：這些引文格式不一定是100％准確.