APA (7th ed.) Citation

Cobb, E. H. (1981). Metallic mineral resources map of the Hughes quadrangle, Alaska (Reprinted 1981.). The Survey.

Chicago Style (17th ed.) Citation

Cobb, Edward H. Metallic Mineral Resources Map of the Hughes Quadrangle, Alaska. Reprinted 1981. Reston, Va.: The Survey, 1981.

MLA (9th ed.) Citation

Cobb, Edward H. Metallic Mineral Resources Map of the Hughes Quadrangle, Alaska. Reprinted 1981. The Survey, 1981.