APA (7th ed.) Citation

A, D., & MV, R. (1997). Letters: Authors' response. Environmental science & technology, 31(9), 393A. https://doi.org/10.1021/es9724248

Chicago Style (17th ed.) Citation

A, Davis, and Ruby MV. "Letters: Authors' Response." Environmental Science & Technology 31, no. 9 (1997): 393A. https://doi.org/10.1021/es9724248.

MLA (9th ed.) Citation

A, Davis, and Ruby MV. "Letters: Authors' Response." Environmental Science & Technology, vol. 31, no. 9, 1997, p. 393A, https://doi.org/10.1021/es9724248.