APA (7th ed.) Citation

Ratcliffe, N. M., Walsh, G. J., Gale, M. H., Masonic, L. M., & Estabrook, J. R. (2011). Bedrock geologic map of Vermont. U.S. Dept, of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Ratcliffe, Nicholas M., Gregory J. Walsh, Marjorie Hollis Gale, Linda M. Masonic, and James R. Estabrook. Bedrock Geologic Map of Vermont. [Reston, Va.]: U.S. Dept, of the Interior, U.S. Geological Survey, 2011.

MLA (9th ed.) Citation

Ratcliffe, Nicholas M., et al. Bedrock Geologic Map of Vermont. U.S. Dept, of the Interior, U.S. Geological Survey, 2011.