APA (7th ed.) Citation

Downing, P. B. (1969). The economics of urban sewage disposal / by Paul B. Downing. Praeger.

Chicago Style (17th ed.) Citation

Downing, Paul B. The Economics of Urban Sewage Disposal / by Paul B. Downing. New York ; London: Praeger, 1969.

MLA (9th ed.) Citation

Downing, Paul B. The Economics of Urban Sewage Disposal / by Paul B. Downing. Praeger, 1969.

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