APA (7th ed.) Citation

Texas Water Commission. District 1. & Texas Water Commission. Graphic Arts Section. (1991). Operation & maintenance guide for Imhoff tank and oxidation pond wastewater treatment plants. Texas Water Commission.

Chicago Style (17th ed.) Citation

Texas Water Commission. District 1. and Texas Water Commission. Graphic Arts Section. Operation & Maintenance Guide for Imhoff Tank and Oxidation Pond Wastewater Treatment Plants. [Austin, Tex.]: Texas Water Commission, 1991.

MLA (9th ed.) Citation

Texas Water Commission. District 1. and Texas Water Commission. Graphic Arts Section. Operation & Maintenance Guide for Imhoff Tank and Oxidation Pond Wastewater Treatment Plants. Texas Water Commission, 1991.