APA (7th ed.) Citation

Hansen, W. R. (1956). Geology and mineral resources of the Hudson and Maynard quadrangles, Massachusetts. U.S. Department of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Hansen, Wallace R. Geology and Mineral Resources of the Hudson and Maynard Quadrangles, Massachusetts. Washington, D.C.: U.S. Department of the Interior, U.S. Geological Survey, 1956.

MLA (9th ed.) Citation

Hansen, Wallace R. Geology and Mineral Resources of the Hudson and Maynard Quadrangles, Massachusetts. U.S. Department of the Interior, U.S. Geological Survey, 1956.