Municipal filtration plants...

Chicago citation style
Pittsburgh Filter Manufacturing Company. Municipal filtration plants.... [c1905]. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/008898945. (Accessed January 18, 2020.)
APA citation style
Pittsburgh Filter Manufacturing Company, ([c1905]) Municipal filtration plants.... Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/008898945
MLA citation style
Pittsburgh Filter Manufacturing Company. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/008898945>.
Note: These citations are programmatically generated and may be incomplete.