APA (7th ed.) Citation

Amerian Water Works Association. (1974). Processing water-Treatment-Plant sludge. American Water Works Association.

Chicago Style (17th ed.) Citation

Amerian Water Works Association. Processing Water-Treatment-Plant Sludge. U.S.A.: American Water Works Association, 1974.

MLA (9th ed.) Citation

Amerian Water Works Association. Processing Water-Treatment-Plant Sludge. American Water Works Association, 1974.

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