APA (7th ed.) Citation

Cobb, E. H. (1972). Metallic mineral resources map of the De Long Mountains quadrangle, Alaska. The Survey.

Chicago Style (17th ed.) Citation

Cobb, Edward H. Metallic Mineral Resources Map of the De Long Mountains Quadrangle, Alaska. [Reston, Va.]: The Survey, 1972.

MLA (9th ed.) Citation

Cobb, Edward H. Metallic Mineral Resources Map of the De Long Mountains Quadrangle, Alaska. The Survey, 1972.