Charter of the city of Duluth : adopted by election December 3, 1912 as amendedCharters

Chicago citation style
Duluth (Minn.). Charter of the city of Duluth : adopted by election December 3, 1912 as amended,Charters. 1931]. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/001150620. (Accessed December 17, 2018.)
APA citation style
Duluth (Minn.), (1931]) Charter of the city of Duluth : adopted by election December 3, 1912 as amended,Charters. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/001150620
MLA citation style
Duluth (Minn.). Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/001150620>.
Note: These citations are programmatically generated and may be incomplete.