APA (7th ed.) Citation

Spencer, N. (2014). Atheists: The origin of the species. Bloomsbury.

Chicago Style (17th ed.) Citation

Spencer, Nick. Atheists: The Origin of the Species. London [u.a.]: Bloomsbury, 2014.

MLA (8th ed.) Citation

Spencer, Nick. Atheists: The Origin of the Species. Bloomsbury, 2014.