(1977). Bedrock geologic map of the Holliston and Medfield quadrangles, Middlesex, Norfolk, and Worcester Counties, Massachusetts. U.S. Geological Survey.
Chicago-Zitierstil (17. Ausg.)Bedrock Geologic Map of the Holliston and Medfield Quadrangles, Middlesex, Norfolk, and Worcester Counties, Massachusetts. Reston, VA: U.S. Geological Survey, 1977.
MLA-Zitierstil (9. Ausg.)Bedrock Geologic Map of the Holliston and Medfield Quadrangles, Middlesex, Norfolk, and Worcester Counties, Massachusetts. U.S. Geological Survey, 1977.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.