APA (7th ed.) Citation

-. Manual of Instruction for Sewage Treatment Plant Operators. Health Education Service.

Chicago Style (17th ed.) Citation

-. Manual of Instruction for Sewage Treatment Plant Operators. Health Education Service.

MLA (8th ed.) Citation

-. Manual of Instruction for Sewage Treatment Plant Operators. Health Education Service.

Warning: These citations may not always be 100% accurate.