APA (7th ed.) Citation

Biggs, R., Miller, J. C., & Otley, M. (1972). A mass balance model of trace metals in several Delaware watersheds: Progress report, 7/1/71- 6/30/72. University of Delaware, Water Resources Center.

Chicago Style (17th ed.) Citation

Biggs, R.B, J. C. Miller, and M.J Otley. A Mass Balance Model of Trace Metals in Several Delaware Watersheds: Progress Report, 7/1/71- 6/30/72. Newark: University of Delaware, Water Resources Center, 1972.

MLA (9th ed.) Citation

Biggs, R.B, et al. A Mass Balance Model of Trace Metals in Several Delaware Watersheds: Progress Report, 7/1/71- 6/30/72. University of Delaware, Water Resources Center, 1972.