The Crusades /
by Ernest Barker.
APA Citation
Barker, E. (1923). The Crusades. London: Oxford university press, H. Milford.
MLA Citation
Barker, Ernest, Sir, 1874-1960. The Crusades. London: Oxford university press, H. Milford, 1923.
Warning: These citations may not always be complete (especially for serials).