APA引文

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

Chicago Style (17th ed.) Citation

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

MLA引文

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

警告：这些引文格式不一定是100％准确.