Program and photos of Great Falls from the Montana Society of Engineers Annual Meeting, 1909, Great Falls, Montana

Chicago citation style
Unknown. Program and photos of Great Falls from the Montana Society of Engineers Annual Meeting, 1909, Great Falls, Montana. 1909. Retrieved from the Digital Public Library of America, http://cdm16013.contentdm.oclc.org/cdm/ref/collection/p16013coll67/id/471. (Accessed August 9, 2020.)
APA citation style
Unknown, (1909) Program and photos of Great Falls from the Montana Society of Engineers Annual Meeting, 1909, Great Falls, Montana. Retrieved from the Digital Public Library of America, http://cdm16013.contentdm.oclc.org/cdm/ref/collection/p16013coll67/id/471
MLA citation style
Unknown. Retrieved from the Digital Public Library of America <http://cdm16013.contentdm.oclc.org/cdm/ref/collection/p16013coll67/id/471>.
Note: These citations are programmatically generated and may be incomplete.