Wachusett Aqueduct, west end of Assabet Bridge (interior), showing covering arches and bell mouth, Section 8, from the east, Northborough, Mass., Aug. 31, 1897

Chicago citation style
Massachusetts, Metropolitan Water Board. Wachusett Aqueduct, west end of Assabet Bridge (interior), showing covering arches and bell mouth, Section 8, from the east, Northborough, Mass., Aug. 31, 1897. 1897-08-31. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/d217qr276. (Accessed June 23, 2018.)
APA citation style
Massachusetts, Metropolitan Water Board, (1897-08-31) Wachusett Aqueduct, west end of Assabet Bridge (interior), showing covering arches and bell mouth, Section 8, from the east, Northborough, Mass., Aug. 31, 1897. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/d217qr276
MLA citation style
Massachusetts, Metropolitan Water Board. Retrieved from the Digital Public Library of America <http://ark.digitalcommonwealth.org/ark:/50959/d217qr276>.
Note: These citations are programmatically generated and may be incomplete.