Gaya APA

Guillaume, A, [. (1966). Islam, [repr.]. - Penguin, A 311. 2nd rev. ed. 1956. . [Harmondsworth]: Penguin Books.

Gaya MLA

Guillaume, A., [1888-1965].. "Islam, [repr.]. - Penguin, A 311. 2nd rev. ed. 1956. ". [Harmondsworth]: Penguin Books, 1966. Buku.