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Conservation by sanitation;
air and water supply; disposal of waste (including a laboratory guide for sanitary engineers)
by Ellen H. Richards.

APA Citation

Richards, E. H. (Ellen Henrietta). (1911). Conservation by sanitation: air and water supply; disposal of waste (including a laboratory guide for sanitary engineers). New York: Wiley.

MLA Citation

Richards, Ellen H. (Ellen Henrietta), 1842-1911. Conservation by Sanitation: Air And Water Supply; Disposal of Waste (including a Laboratory Guide for Sanitary Engineers). New York: Wiley, 1911.

Warning: These citations may not always be complete (especially for serials).