Colorado and Utah Rockies

Chicago citation style
United States Railroad Administration. Colorado and Utah Rockies. 1919. Retrieved from the Digital Public Library of America, http://utah-primoprod.hosted.exlibrisgroup.com/primo_library/libweb/action/dlDisplay.do?vid=MWDL&afterPDS=true&docId=digcoll_usu_16Elusive/1641. (Accessed November 13, 2018.)
APA citation style
United States Railroad Administration, (1919) Colorado and Utah Rockies. Retrieved from the Digital Public Library of America, http://utah-primoprod.hosted.exlibrisgroup.com/primo_library/libweb/action/dlDisplay.do?vid=MWDL&afterPDS=true&docId=digcoll_usu_16Elusive/1641
MLA citation style
United States Railroad Administration. Retrieved from the Digital Public Library of America <http://utah-primoprod.hosted.exlibrisgroup.com/primo_library/libweb/action/dlDisplay.do?vid=MWDL&afterPDS=true&docId=digcoll_usu_16Elusive/1641>.
Note: These citations are programmatically generated and may be incomplete.