APA (7th ed.) Citation

Pennsylvania. Dept. of Environmental Resources. (1986). Annual report on mining activities. The Department of Environmental Resources.

Chicago Style (17th ed.) Citation

Pennsylvania. Dept. of Environmental Resources. Annual Report on Mining Activities. Harrisburg: The Department of Environmental Resources, 1986.

MLA (9th ed.) Citation

Pennsylvania. Dept. of Environmental Resources. Annual Report on Mining Activities. The Department of Environmental Resources, 1986.

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