Cita APA (7th ed.)

Sinnott-Armstrong, W. (2009). Morality without God? Oxford University Press.

Cita Chicago (17th ed.)

Sinnott-Armstrong, Walter. Morality Without God? Oxford: Oxford University Press, 2009.

Cita MLA (9th ed.)

Sinnott-Armstrong, Walter. Morality Without God? Oxford University Press, 2009.