APA (7th ed.) Citation

Volckmann, R. P. (1975). Surficial geologic map of the Holliston quadrangle, Middlesex, Norfolk, and Worcester counties, Massachusetts. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Volckmann, Richard P. Surficial Geologic Map of the Holliston Quadrangle, Middlesex, Norfolk, and Worcester Counties, Massachusetts. Reston, Va.: U.S. Geological Survey, 1975.

MLA (9th ed.) Citation

Volckmann, Richard P. Surficial Geologic Map of the Holliston Quadrangle, Middlesex, Norfolk, and Worcester Counties, Massachusetts. U.S. Geological Survey, 1975.