APA (7th ed.) Citation

Wagner, H. C. (1953). Constitution diagrams of Pennsylvania anthracite. United States Department of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Wagner, Holly C. Constitution Diagrams of Pennsylvania Anthracite. [Washington, D.C.]: United States Department of the Interior, Geological Survey, 1953.

MLA (9th ed.) Citation

Wagner, Holly C. Constitution Diagrams of Pennsylvania Anthracite. United States Department of the Interior, Geological Survey, 1953.

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