Official roster ... no. 31. October 1st, 1895

Chicago citation style
Denver and Rio Grande Railroad Company. Official roster ... no. 31. October 1st, 1895. 1895]. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/102288323. (Accessed September 19, 2018.)
APA citation style
Denver and Rio Grande Railroad Company, (1895]) Official roster ... no. 31. October 1st, 1895. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/102288323
MLA citation style
Denver and Rio Grande Railroad Company. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/102288323>.
Note: These citations are programmatically generated and may be incomplete.