APA (7th ed.) Citation

Lang, M. (1975). Control of water pollution in New York City. Water Research, 9, 981.

Chicago Style (17th ed.) Citation

Lang, M. "Control of Water Pollution in New York City." Water Research 9 (1975): 981.

MLA (9th ed.) Citation

Lang, M. "Control of Water Pollution in New York City." Water Research, vol. 9, 1975, p. 981.