Cita APA (7a ed.)

Philadelphia, A. C. H. S. o. Printed memo, "Gun Control, 1844" From: American Catholic Historical Society, [n.d.].

Cita Chicago Style (17a ed.)

Philadelphia, American Catholic Historical Society of. Printed Memo, "Gun Control, 1844" From: American Catholic Historical Society, [n.d.].

Cita MLA (8a ed.)

Philadelphia, American Catholic Historical Society of. Printed Memo, "Gun Control, 1844" From: American Catholic Historical Society, [n.d.].