Cita APA (7a ed.)

Dennett, D. C. (2007). Breaking the spell: Religion as a natural phenomenon. Penguin Books.

Cita Chicago Style (17a ed.)

Dennett, D. C. Breaking the Spell: Religion as a Natural Phenomenon. London [etc.]: Penguin Books, 2007.

Cita MLA (9a ed.)

Dennett, D. C. Breaking the Spell: Religion as a Natural Phenomenon. Penguin Books, 2007.