Chicago:
Noah Webster Jr., "Epistolic," American Dictionary of the English Language, Vol. 1 in An American Dictionary of the English Language, Vol. 1 (New York: S. Converse, 1828), Original Sources, accessed July 3, 2025, http://www.originalsources.com/Document.aspx?DocID=CY5ABTVD7AL1Z7K.
MLA:
Webster, Noah, Jr. "Epistolic." American Dictionary of the English Language, Vol. 1, in An American Dictionary of the English Language, Vol. 1, New York, S. Converse, 1828, Original Sources. 3 Jul. 2025. http://www.originalsources.com/Document.aspx?DocID=CY5ABTVD7AL1Z7K.
Harvard:
Webster, N, 'Epistolic' in American Dictionary of the English Language, Vol. 1. cited in 1828, An American Dictionary of the English Language, Vol. 1, S. Converse, New York. Original Sources, retrieved 3 July 2025, from http://www.originalsources.com/Document.aspx?DocID=CY5ABTVD7AL1Z7K.