Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (9th εκδ.)

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