APA (7th ed.) Citation

Geological Survey & Cobb, E. H. (1984). Map showing occurrences of lead minerals in Alaska. The Survey ; For sale by Branch of Distribution, USGS.

Chicago Style (17th ed.) Citation

Geological Survey and Edward H. Cobb. Map Showing Occurrences of Lead Minerals in Alaska. Reston, Va. : Denver, CO: The Survey ; For sale by Branch of Distribution, USGS, 1984.

MLA (8th ed.) Citation

Geological Survey and Edward H. Cobb. Map Showing Occurrences of Lead Minerals in Alaska. The Survey ; For sale by Branch of Distribution, USGS, 1984.