Map of the province of Canada, and the lower colonies : shewing the connection by steam navigation with New York, Pennsylvania, Ohio, Indiana, Illinois, Michigan, Wisconsin & Minnesota, and with Europe by the route of the River St. Lawrence and the Great Lakes, shewing also the connections by railways & canals with New England, Mississippi & Missouri Rivers, Iowa & Nebraska

Chicago citation style
Keefer, Thomas C., 1821-1915, cartographer. Map of the province of Canada, and the lower colonies : shewing the connection by steam navigation with New York, Pennsylvania, Ohio, Indiana, Illinois, Michigan, Wisconsin & Minnesota, and with Europe by the route of the River St. Lawrence and the Great Lakes, shewing also the connections by railways & canals with New England, Mississippi & Missouri Rivers, Iowa & Nebraska. 1855. Retrieved from the Digital Public Library of America, http://digital.libraries.psu.edu/cdm/ref/collection/maps1/id/27185. (Accessed December 16, 2018.)
APA citation style
Keefer, Thomas C., 1821-1915, cartographer, (1855) Map of the province of Canada, and the lower colonies : shewing the connection by steam navigation with New York, Pennsylvania, Ohio, Indiana, Illinois, Michigan, Wisconsin & Minnesota, and with Europe by the route of the River St. Lawrence and the Great Lakes, shewing also the connections by railways & canals with New England, Mississippi & Missouri Rivers, Iowa & Nebraska. Retrieved from the Digital Public Library of America, http://digital.libraries.psu.edu/cdm/ref/collection/maps1/id/27185
MLA citation style
Keefer, Thomas C., 1821-1915, cartographer. Retrieved from the Digital Public Library of America <http://digital.libraries.psu.edu/cdm/ref/collection/maps1/id/27185>.
Note: These citations are programmatically generated and may be incomplete.