Excursion Train at Cape Horn, 3 miles above Colfax. # 57.

Chicago citation style
Hart, Alfred A., 1816-1908. Excursion Train at Cape Horn, 3 miles above Colfax. # 57.. [18--]. Retrieved from the Digital Public Library of America, http://catalog.library.ca.gov/F/?func=find-b&request=001389471&find_code=SYS. (Accessed December 15, 2018.)
APA citation style
Hart, Alfred A., 1816-1908, ([18--]) Excursion Train at Cape Horn, 3 miles above Colfax. # 57.. Retrieved from the Digital Public Library of America, http://catalog.library.ca.gov/F/?func=find-b&request=001389471&find_code=SYS
MLA citation style
Hart, Alfred A., 1816-1908. Retrieved from the Digital Public Library of America <http://catalog.library.ca.gov/F/?func=find-b&request=001389471&find_code=SYS>.
Note: These citations are programmatically generated and may be incomplete.