APA-referens (7:e uppl.)

Howard, O. (1998). Gen. Henry W. Lawton: A sketch of his long service. Bulletin of the American Historical Collection.

Chicago-referens (17:e uppl.)

Howard, O.O. "Gen. Henry W. Lawton: A Sketch of His Long Service." Bulletin of the American Historical Collection 1998.

MLA-referens (9:e uppl.)

Howard, O.O. "Gen. Henry W. Lawton: A Sketch of His Long Service." Bulletin of the American Historical Collection, 1998.