APA

Krieger R. A., USA, . (1985). Influences of strip mining on the hydrologic environment of parts of Beaver Creek basin, Kentucky, 1973-74. Washington, D.C: United States Government Printing Office.

Chicago

Krieger Robert A, USA, . 1985. Influences of strip mining on the hydrologic environment of parts of Beaver Creek basin, Kentucky, 1973-74. Washington, D.C: United States Government Printing Office.

Harvard

Krieger R. A., USA, . (1985). Influences of strip mining on the hydrologic environment of parts of Beaver Creek basin, Kentucky, 1973-74. Washington, D.C: United States Government Printing Office.

MLA

Krieger Robert A, USA, . Influences of strip mining on the hydrologic environment of parts of Beaver Creek basin, Kentucky, 1973-74. Washington, D.C: United States Government Printing Office. 1985.