The crusades;
the story of the Latin kingdom of Jerusalem,
by T.A. Archer and Charles L. Kingsford.

APA Citation

Archer, T. Andrew., Kingsford, C. Lethbridge. (18991894). The crusades: the story of the Latin kingdom of Jerusalem. New York: G.P. Putnam's sons.

MLA Citation

Archer, Thomas Andrew, and Charles Lethbridge Kingsford. The Crusades: the Story of the Latin Kingdom of Jerusalem. New York: G.P. Putnam's sons, 18991894.

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