Trestle construction using steam donkey and aerial tram, ca. 1900

Chicago citation style
Trestle construction using steam donkey and aerial tram, ca. 1900. ca. 1900. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/imlsrailway/id/19. (Accessed July 22, 2018.)
APA citation style
(ca. 1900) Trestle construction using steam donkey and aerial tram, ca. 1900. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/imlsrailway/id/19
MLA citation style
Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/imlsrailway/id/19>.
Note: These citations are programmatically generated and may be incomplete.