Henry, C. S., & Craighead, R. (1840). The position and duties of the educated men of the country: A discourse pronounced before the Euglossian and Alpha Phi Delta Societies of Geneva College, Aug. 5, 1840. R. Craighead, Printer.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Henry, C. S., و Robert Craighead. The Position and Duties of the Educated Men of the Country: A Discourse Pronounced Before the Euglossian and Alpha Phi Delta Societies of Geneva College, Aug. 5, 1840. New York: R. Craighead, Printer, 1840.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Henry, C. S., و Robert Craighead. The Position and Duties of the Educated Men of the Country: A Discourse Pronounced Before the Euglossian and Alpha Phi Delta Societies of Geneva College, Aug. 5, 1840. R. Craighead, Printer, 1840.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.