Sudbury Reservoir, Marlborough Brook Filters, gravel bank, Filter-bed No. 21, Marlborough, Mass., Aug. 28, 1899

Chicago citation style
Massachusetts, Metropolitan Water Board. Sudbury Reservoir, Marlborough Brook Filters, gravel bank, Filter-bed No. 21, Marlborough, Mass., Aug. 28, 1899. 1899-08-28. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/8k71ns98q. (Accessed July 21, 2018.)
APA citation style
Massachusetts, Metropolitan Water Board, (1899-08-28) Sudbury Reservoir, Marlborough Brook Filters, gravel bank, Filter-bed No. 21, Marlborough, Mass., Aug. 28, 1899. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/8k71ns98q
MLA citation style
Massachusetts, Metropolitan Water Board. Retrieved from the Digital Public Library of America <http://ark.digitalcommonwealth.org/ark:/50959/8k71ns98q>.
Note: These citations are programmatically generated and may be incomplete.