Operators License

Chicago citation style
Operators License. Retrieved from the Digital Public Library of America, http://contentdm.acpl.lib.in.us/cdm/ref/collection/coll3/id/5689. (Accessed June 18, 2018.)
APA citation style
Operators License. Retrieved from the Digital Public Library of America, http://contentdm.acpl.lib.in.us/cdm/ref/collection/coll3/id/5689
MLA citation style
Retrieved from the Digital Public Library of America <http://contentdm.acpl.lib.in.us/cdm/ref/collection/coll3/id/5689>.
Note: These citations are programmatically generated and may be incomplete.