APA-referens (7:e uppl.)
Hayward, A. H., & Orr, T. J. (2010). Last to leave the field: The life and letters of First Sergeant Ambrose Henry Hayward, 28th Pennsylvania Volunteer Infantry. University of Tennessee Press.
Chicago-referens (17:e uppl.)
Hayward, Ambrose Henry, och Timothy J. Orr. Last to Leave the Field: The Life and Letters of First Sergeant Ambrose Henry Hayward, 28th Pennsylvania Volunteer Infantry. Knoxville, Tenn.: University of Tennessee Press, 2010.
MLA-referens (9:e uppl.)
Hayward, Ambrose Henry, och Timothy J. Orr. Last to Leave the Field: The Life and Letters of First Sergeant Ambrose Henry Hayward, 28th Pennsylvania Volunteer Infantry. University of Tennessee Press, 2010.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.