Committee, A. C. H. S. o. P. P. Letter, "Reverend and Dear Sir," From: Committee on Publication, [n.d.].
Chicago Style (17th ed.) CitationCommittee, American Catholic Historical Society of Philadelphia. Publications. Letter, "Reverend and Dear Sir," From: Committee on Publication, [n.d.].
MLA引文Committee, American Catholic Historical Society of Philadelphia. Publications. Letter, "Reverend and Dear Sir," From: Committee on Publication, [n.d.].
警告:這些引文格式不一定是100%准確.