Cita APA (7a ed.)
Eyal, N., & Hoover, R. Hooked: How to Build Habit-Forming Products. Penguin Random House.
Cita estilo Chicago (17a ed.)
Eyal, Nir, y Ryan Hoover. Hooked: How to Build Habit-Forming Products. Londres, Inglaterra: Penguin Random House.
Cita MLA (9a ed.)
Eyal, Nir, y Ryan Hoover. Hooked: How to Build Habit-Forming Products. Penguin Random House.
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