APA
Oppy G. R., . (2006). Arguing about gods. New York: Cambridge University Press.
Chicago
Oppy Graham Robert, . 2006. Arguing about gods. New York: Cambridge University Press.
Harvard
Oppy G. R., . (2006). Arguing about gods. New York: Cambridge University Press.
MLA
Oppy Graham Robert, . Arguing about gods. New York: Cambridge University Press. 2006.