APA

Williams J. A., . (1961). Islam. New York: G. Braziller.

Chicago

Williams John Alden, . 1961. Islam. New York: G. Braziller.

Harvard

Williams J. A., . (1961). Islam. New York: G. Braziller.

MLA

Williams John Alden, . Islam. New York: G. Braziller. 1961.