Cita APA (7th ed.)

Eyal, N., & Hoover, R. (2014). Hooked: How to build habit-forming products (1a. ed.). Penguin Random House.

Cita Chicago (17th ed.)

Eyal, Nir, i Ryan Hoover. Hooked: How to Build Habit-forming Products. 1a. ed. Nueva York: Penguin Random House, 2014.

Cita MLA (9th ed.)

Eyal, Nir, i Ryan Hoover. Hooked: How to Build Habit-forming Products. 1a. ed. Penguin Random House, 2014.