Murphy, T. D. (1960). Distribution of silica resources in eastern United States. United States Department of the Interior, Geological Survey.
Chicago Style (17th ed.) CitationMurphy, T. D. Distribution of Silica Resources in Eastern United States. Washington, D.C.: United States Department of the Interior, Geological Survey, 1960.
MLA (9th ed.) CitationMurphy, T. D. Distribution of Silica Resources in Eastern United States. United States Department of the Interior, Geological Survey, 1960.
Warning: These citations may not always be 100% accurate.