APA (7th ed.) Citation

(1985). Geologic map of Wyoming. U.S. Geological Survey Fed. Center >>u.a.

Chicago Style (17th ed.) Citation

Geologic Map of Wyoming. Denver <<u.a: U.S. Geological Survey Fed. Center >>u.a, 1985.

MLA (9th ed.) Citation

Geologic Map of Wyoming. U.S. Geological Survey Fed. Center >>u.a, 1985.