Ladwig, K. J. (1983). Stratification in water quality in inundated anthracite mines, eastern Pennsylvania. U.S. Dept. of the Interior, Bureau of Mines.
Chicago Style (17th ed.) CitationLadwig, K. J. Stratification in Water Quality in Inundated Anthracite Mines, Eastern Pennsylvania. [Avondale, MD]: U.S. Dept. of the Interior, Bureau of Mines, 1983.
MLA (9th ed.) CitationLadwig, K. J. Stratification in Water Quality in Inundated Anthracite Mines, Eastern Pennsylvania. U.S. Dept. of the Interior, Bureau of Mines, 1983.
Warning: These citations may not always be 100% accurate.