APA (7th ed.) Citation

Geological Survey (U.S.) & Jahns, R. H. (1951). Geologic map of the Mount Toby quadrangle, Massachusetts: Surficial geology. The Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.) and Richard H. Jahns. Geologic Map of the Mount Toby Quadrangle, Massachusetts: Surficial Geology. Reston, Va.: The Survey, 1951.

MLA (9th ed.) Citation

Geological Survey (U.S.) and Richard H. Jahns. Geologic Map of the Mount Toby Quadrangle, Massachusetts: Surficial Geology. The Survey, 1951.