APA引文

Achor, S. (2013). Before happiness: The 5 hidden keys to achieving success, spreading happiness, and sustaining positive change.

Chicago Style (17th ed.) Citation

Achor, Shawn. Before Happiness: The 5 Hidden Keys to Achieving Success, Spreading Happiness, and Sustaining Positive Change. 2013.

MLA引文

Achor, Shawn. Before Happiness: The 5 Hidden Keys to Achieving Success, Spreading Happiness, and Sustaining Positive Change. 2013.

警告：這些引文格式不一定是100％准確.