APA (7th ed.) Citation

Geological Survey (U.S.) & Segerstrom, K. (1955). Geologic map of the Williamsburg quadrangle, Massachusetts: Surficial geology. The Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.) and Kenneth Segerstrom. Geologic Map of the Williamsburg Quadrangle, Massachusetts: Surficial Geology. Reston, Va.: The Survey, 1955.

MLA (9th ed.) Citation

Geological Survey (U.S.) and Kenneth Segerstrom. Geologic Map of the Williamsburg Quadrangle, Massachusetts: Surficial Geology. The Survey, 1955.