Distribution Department, Coffin Valve Company, 48-inch check valve, side view, Mass., Mar. 1, 1917

Chicago citation style
Massachusetts, Metropolitan Water and Sewerage Board. Distribution Department, Coffin Valve Company, 48-inch check valve, side view, Mass., Mar. 1, 1917. 1917-03-01. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/df65v9411. (Accessed June 24, 2018.)
APA citation style
Massachusetts, Metropolitan Water and Sewerage Board, (1917-03-01) Distribution Department, Coffin Valve Company, 48-inch check valve, side view, Mass., Mar. 1, 1917. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/df65v9411
MLA citation style
Massachusetts, Metropolitan Water and Sewerage Board. Retrieved from the Digital Public Library of America <http://ark.digitalcommonwealth.org/ark:/50959/df65v9411>.
Note: These citations are programmatically generated and may be incomplete.