Olmsted, D. (1841). Letters on astronomy: Addressed to a lady : in which the elements of the science are familiarly explained in connexion with its literary history : with numerous engravings. Marsh, Capen, Lyon, and Webb.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Olmsted, Denison. Letters on Astronomy: Addressed to a Lady : In Which the Elements of the Science Are Familiarly Explained in Connexion with Its Literary History : With Numerous Engravings. Boston: Marsh, Capen, Lyon, and Webb, 1841.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Olmsted, Denison. Letters on Astronomy: Addressed to a Lady : In Which the Elements of the Science Are Familiarly Explained in Connexion with Its Literary History : With Numerous Engravings. Marsh, Capen, Lyon, and Webb, 1841.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.