Cite web page as: Monticello: 1st floor and dependencies (plan), verso, before 4 August 1772, by Thomas Jefferson. N57; K32 [electronic edition].
Thomas Jefferson Papers: An Electronic Archive. Boston, Mass. : Massachusetts Historical Society, 2003. http://www.thomasjeffersonpapers.org/
Original manuscript: Jefferson, Thomas. Monticello: 1st floor and dependencies (plan), 1 sheet, 2 pages before 4 August 1772. N57; K32. Dimensions: 34.9 cm x 53.2 cm (13-3/4" x 20-15/16"). Original manuscript from the Coolidge Collection of Thomas Jefferson Manuscripts, Massachusetts Historical Society.