APA (7th ed.) Citation

Chalekode, P. K., & Blackwood, T. R. (1978). Source assessment: Coal refuse piles, abandoned mines, and outcrops : state of the art. Environmental Protection Agency, Office of Research and Development, Industrial Environmental Research Laboratory.

Chicago Style (17th ed.) Citation

Chalekode, P. K., and T. R. Blackwood. Source Assessment: Coal Refuse Piles, Abandoned Mines, and Outcrops : State of the Art. Cincinnati, Ohio: Environmental Protection Agency, Office of Research and Development, Industrial Environmental Research Laboratory, 1978.

MLA (8th ed.) Citation

Chalekode, P. K., and T. R. Blackwood. Source Assessment: Coal Refuse Piles, Abandoned Mines, and Outcrops : State of the Art. Environmental Protection Agency, Office of Research and Development, Industrial Environmental Research Laboratory, 1978.