APA (7th ed.) Citation

Snyder, G. L. (1980). Geologic map of the central part of the Northern Park Range, Jackson and Routt Counties, Colorado. The Survey.

Chicago Style (17th ed.) Citation

Snyder, George L. Geologic Map of the Central Part of the Northern Park Range, Jackson and Routt Counties, Colorado. Reston, Va.: The Survey, 1980.

MLA (9th ed.) Citation

Snyder, George L. Geologic Map of the Central Part of the Northern Park Range, Jackson and Routt Counties, Colorado. The Survey, 1980.