Chicago:
Noah Webster Jr., "Datolite," 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=9GFGAMMVMAI9UWY.
MLA:
Webster, Noah, Jr. "Datolite." 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=9GFGAMMVMAI9UWY.
Harvard:
Webster, N, 'Datolite' 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=9GFGAMMVMAI9UWY.