APA aipamena

Eyal, N. (2014). Hooked: How to build habit-forming products. Portfolio/Penguin.

Chicago Style aipamena

Eyal, Nir. Hooked: How to Build Habit-forming Products. New York, New York: Portfolio/Penguin, 2014.

MLA aipamena

Eyal, Nir. Hooked: How to Build Habit-forming Products. Portfolio/Penguin, 2014.