Цитирование APA (7-е изд.)

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

Цитирование в стиле Чикаго (17-е изд.)

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

Цитирование MLA (8-е изд.)

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

Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.