توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Committee, A. C. H. S. o. P. P. Letter, "Reverend and Dear Sir," From: Committee on Publication, [n.d.].

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Committee, American Catholic Historical Society of Philadelphia. Publications. Letter, "Reverend and Dear Sir," From: Committee on Publication, [n.d.].

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Committee, American Catholic Historical Society of Philadelphia. Publications. Letter, "Reverend and Dear Sir," From: Committee on Publication, [n.d.].