National map of the United States

Chicago citation style
Chapin, William, 1802-1888. National map of the United States. 1835. Retrieved from the Digital Public Library of America, https://ark.digitalcommonwealth.org/ark:/50959/7h149x24n. (Accessed December 15, 2018.)
APA citation style
Chapin, William, 1802-1888, (1835) National map of the United States. Retrieved from the Digital Public Library of America, https://ark.digitalcommonwealth.org/ark:/50959/7h149x24n
MLA citation style
Chapin, William, 1802-1888. Retrieved from the Digital Public Library of America <https://ark.digitalcommonwealth.org/ark:/50959/7h149x24n>.
Note: These citations are programmatically generated and may be incomplete.