APA-referens (7:e uppl.)
Ball, G. W. (2013). They called them soldier boys: A Texas infantry regiment in World War I. University of North Texas Press.
Chicago-referens (17:e uppl.)
Ball, Gregory W. They Called Them Soldier Boys: A Texas Infantry Regiment in World War I. Denton, Tex.: University of North Texas Press, 2013.
MLA-referens (9:e uppl.)
Ball, Gregory W. They Called Them Soldier Boys: A Texas Infantry Regiment in World War I. University of North Texas Press, 2013.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.