APA (7th ed.) Citation

Berger, J. (2014). Contagious : how to build word of mouth in the digital age / Jonah Berger: How to build word of mouth in the digital age. Simon & Schuster.

Chicago Style (17th ed.) Citation

Berger, Jonah. Contagious : How to Build Word of Mouth in the Digital Age / Jonah Berger: How to Build Word of Mouth in the Digital Age. London: Simon & Schuster, 2014.

MLA (9th ed.) Citation

Berger, Jonah. Contagious : How to Build Word of Mouth in the Digital Age / Jonah Berger: How to Build Word of Mouth in the Digital Age. Simon & Schuster, 2014.

Warning: These citations may not always be 100% accurate.