Style de citation APA (7e éd.)

Cox, G. W. (1891). The crusades (9th ed.). Longmans, Green, and co..

Style de citation Chicago (17e éd.)

Cox, George W. The Crusades. 9th ed. London ; New York: Longmans, Green, and co., 1891.

Style de citation MLA (8e éd.)

Cox, George W. The Crusades. 9th ed. Longmans, Green, and co., 1891.