Gaya APA

Cousins, E, H. (1978). Bonaventure and the coincidence of opposites. Introd. by Jacques Guy Bougerol. . Chicago: Chicago Fransican Herald Press.

Gaya MLA

Cousins, Ewert, H.. "Bonaventure and the coincidence of opposites. Introd. by Jacques Guy Bougerol. ". Chicago: Chicago Fransican Herald Press, 1978. Buku.