APA (7th ed.) Citation

Hess, F. L., & Schaller, W. T. (1914). Colorado ferberite and the wolframite series. Department of the Interior, United States Geological Survey.

Chicago Style (17th ed.) Citation

Hess, Frank Lee, and Waldemar T. Schaller. Colorado Ferberite and the Wolframite Series. [Washington, D.C.]: Department of the Interior, United States Geological Survey, 1914.

MLA (9th ed.) Citation

Hess, Frank Lee, and Waldemar T. Schaller. Colorado Ferberite and the Wolframite Series. Department of the Interior, United States Geological Survey, 1914.