APA (7th ed.) Citation

Archer, T. A., & Kingsford, C. L. (1906). The crusades: The story of the Latin kingdom of Jerusalem. G.P.Putnam's Sons.

Chicago Style (17th ed.) Citation

Archer, Thomas Andrew, and Charles L. Kingsford. The Crusades: The Story of the Latin Kingdom of Jerusalem. New York: G.P.Putnam's Sons, 1906.

MLA (9th ed.) Citation

Archer, Thomas Andrew, and Charles L. Kingsford. The Crusades: The Story of the Latin Kingdom of Jerusalem. G.P.Putnam's Sons, 1906.