The great betrayal :
Constantinople, 1204 /
by Ernle Bradford.

APA Citation

Bradford, E. Dusgate Selby. (1975). The great betrayal: Constantinople, 1204. London: White Lion Publishers.

MLA Citation

Bradford, Ernle Dusgate Selby. The Great Betrayal: Constantinople, 1204. London: White Lion Publishers, 1975.

Warning: These citations may not always be complete (especially for serials).