Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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