Robert E. Lee engineering notebook

Chicago citation style
Lee, Robert E. (Robert Edward), 1807-1870. Robert E. Lee engineering notebook. 1841 - 1842. Retrieved from the Digital Public Library of America, http://digitalcollections.nypl.org/items/0cce5b00-9589-0135-da04-03789b11a55c. (Accessed December 19, 2018.)
APA citation style
Lee, Robert E. (Robert Edward), 1807-1870, (1841 - 1842) Robert E. Lee engineering notebook. Retrieved from the Digital Public Library of America, http://digitalcollections.nypl.org/items/0cce5b00-9589-0135-da04-03789b11a55c
MLA citation style
Lee, Robert E. (Robert Edward), 1807-1870. Retrieved from the Digital Public Library of America <http://digitalcollections.nypl.org/items/0cce5b00-9589-0135-da04-03789b11a55c>.
Note: These citations are programmatically generated and may be incomplete.