Map of Valley Forge

Chicago citation style
Duportail, Antoine-Jean-Louis Le Begue de Presle, 1743-1802. Map of Valley Forge. 1778. Retrieved from the Digital Public Library of America, http://search.openlibrary.artstor.org/object/SS7729995_7729995_8357110_CORNELL. (Accessed August 17, 2018.)
APA citation style
Duportail, Antoine-Jean-Louis Le Begue de Presle, 1743-1802, (1778) Map of Valley Forge. Retrieved from the Digital Public Library of America, http://search.openlibrary.artstor.org/object/SS7729995_7729995_8357110_CORNELL
MLA citation style
Duportail, Antoine-Jean-Louis Le Begue de Presle, 1743-1802. Retrieved from the Digital Public Library of America <http://search.openlibrary.artstor.org/object/SS7729995_7729995_8357110_CORNELL>.
Note: These citations are programmatically generated and may be incomplete.