APA (7th ed.) Citation

Luttrell, G. L. W. (1981). Lexicon of geologic names of the United States for 1968-1975. United States Department of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Luttrell, Gwendolyn Lewise Werth. Lexicon of Geologic Names of the United States for 1968-1975. [Reston, Va.]: United States Department of the Interior, Geological Survey, 1981.

MLA (9th ed.) Citation

Luttrell, Gwendolyn Lewise Werth. Lexicon of Geologic Names of the United States for 1968-1975. United States Department of the Interior, Geological Survey, 1981.