APA
Grunebaum G. E., . (1953). Medieval Islam. Chicago: University of Chicago.
Chicago
Grunebaum Gustave E, . 1953. Medieval Islam. Chicago: University of Chicago.
Harvard
Grunebaum G. E., . (1953). Medieval Islam. Chicago: University of Chicago.
MLA
Grunebaum Gustave E, . Medieval Islam. Chicago: University of Chicago. 1953.