Crone, P., & Cook, M. (1977). Hagarism: The making of the Islamic world (1. publ.). Cambridge Univ. Press.
Chicago Style (17th ed.) CitationCrone, Patricia, and Michael Cook. Hagarism: The Making of the Islamic World. 1. publ. Cambridge [u.a.]: Cambridge Univ. Press, 1977.
MLA (8th ed.) CitationCrone, Patricia, and Michael Cook. Hagarism: The Making of the Islamic World. 1. publ. Cambridge Univ. Press, 1977.
Warning: These citations may not always be 100% accurate.