APA (7th ed.) Citation

Soister, P. E. (1965). Geologic map of the Hudson quadrangle, Weld and Adams Counties, Colorado. The Survey.

Chicago Style (17th ed.) Citation

Soister, Paul E. Geologic Map of the Hudson Quadrangle, Weld and Adams Counties, Colorado. Washington D.C.: The Survey, 1965.

MLA (9th ed.) Citation

Soister, Paul E. Geologic Map of the Hudson Quadrangle, Weld and Adams Counties, Colorado. The Survey, 1965.