APA
Wolff R. L., Hazard H. W., . (1969). The later Crusades, 1189-1311. Madison: University of Wisconsin Press.
Chicago
Wolff Robert Lee, Hazard H W, . 1969. The later Crusades, 1189-1311. Madison: University of Wisconsin Press.
Harvard
Wolff R. L., Hazard H. W., . (1969). The later Crusades, 1189-1311. Madison: University of Wisconsin Press.
MLA
Wolff Robert Lee, Hazard H W, . The later Crusades, 1189-1311. Madison: University of Wisconsin Press. 1969.
