The crusades,
by Konrad Bercovici.
APA Citation
Bercovici, K. (1929). The crusades. New York: Cosmopolitan book corporation.
MLA Citation
Bercovici, Konrad, 1882-1961. The Crusades. New York: Cosmopolitan book corporation, 1929.
Warning: These citations may not always be complete (especially for serials).