APA (7th ed.) Citation

Rhode Island. Water Resources Board. Municipal sewage treatment systems: Inventory of the structure and functions of Rhode Island's public sewage treatment systems. The Board, 1972.

Chicago Style (17th ed.) Citation

Rhode Island. Water Resources Board. Municipal Sewage Treatment Systems: Inventory of the Structure and Functions of Rhode Island's Public Sewage Treatment Systems. [Providence?]: The Board, 1972.

MLA (9th ed.) Citation

Rhode Island. Water Resources Board. Municipal Sewage Treatment Systems: Inventory of the Structure and Functions of Rhode Island's Public Sewage Treatment Systems. The Board, 1972.