Patent Drawing for H. W. Barker's Drug Mixer

Chicago citation style
Department of the Interior. Patent Office. 1849-1925. Patent Drawing for H. W. Barker's Drug Mixer. 1893-05-09. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/7369153. (Accessed June 18, 2018.)
APA citation style
Department of the Interior. Patent Office. 1849-1925, (1893-05-09) Patent Drawing for H. W. Barker's Drug Mixer. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/7369153
MLA citation style
Department of the Interior. Patent Office. 1849-1925. Retrieved from the Digital Public Library of America <http://catalog.archives.gov/id/7369153>.
Note: These citations are programmatically generated and may be incomplete.