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 (8th ed.) CitationCommittee, American Catholic Historical Society of Philadelphia. Publications. Letter, "Reverend and Dear Sir," From: Committee on Publication, [n.d.].
Warning: These citations may not always be 100% accurate.