APA (7th ed.) Citation

Burchard, E. F., & Chapin, T. (1920). Marble resources of southeastern Alaska. Department of the Interior, United States Geological Survey.

Chicago Style (17th ed.) Citation

Burchard, Ernest F., and Theodore Chapin. Marble Resources of Southeastern Alaska. [Washington, D.C.]: Department of the Interior, United States Geological Survey, 1920.

MLA (9th ed.) Citation

Burchard, Ernest F., and Theodore Chapin. Marble Resources of Southeastern Alaska. Department of the Interior, United States Geological Survey, 1920.