APA (7th ed.) Citation

Holiday, R. (2014). Growth hacker marketing: A primer on the future of PR, marketing, and advertising (Expanded edition.). Portfolio/Penguin.

Chicago Style (17th ed.) Citation

Holiday, Ryan. Growth Hacker Marketing: A Primer on the Future of PR, Marketing, and Advertising. Expanded edition. New York, New York: Portfolio/Penguin, 2014.

MLA (8th ed.) Citation

Holiday, Ryan. Growth Hacker Marketing: A Primer on the Future of PR, Marketing, and Advertising. Expanded edition. Portfolio/Penguin, 2014.

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