Philadelphia, A. C. H. S. o. Printed memo, "Gun Control, 1844" From: American Catholic Historical Society, [n.d.].
Chicago-referens (17:e uppl.)Philadelphia, American Catholic Historical Society of. Printed Memo, "Gun Control, 1844" From: American Catholic Historical Society, [n.d.].
MLA-referens (8:e uppl.)Philadelphia, American Catholic Historical Society of. Printed Memo, "Gun Control, 1844" From: American Catholic Historical Society, [n.d.].
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.