Patent Drawing for M. E. Knight's Spit

Chicago citation style
Department of the Interior. Patent Office. 1849-1925. Patent Drawing for M. E. Knight's Spit. 1885-02-03. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/12007672. (Accessed June 21, 2018.)
APA citation style
Department of the Interior. Patent Office. 1849-1925, (1885-02-03) Patent Drawing for M. E. Knight's Spit. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/12007672
MLA citation style
Department of the Interior. Patent Office. 1849-1925. Retrieved from the Digital Public Library of America <http://catalog.archives.gov/id/12007672>.
Note: These citations are programmatically generated and may be incomplete.