APA (7th ed.) Citation

Maldonado, F., & Williams, V. S. (1991). Preliminary geologic map of the Parowan Gap quadrangle, Iron County, Utah. United States Department of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Maldonado, Florian, and Van S. Williams. Preliminary Geologic Map of the Parowan Gap Quadrangle, Iron County, Utah. [Denver, Colo.]: United States Department of the Interior, Geological Survey, 1991.

MLA (9th ed.) Citation

Maldonado, Florian, and Van S. Williams. Preliminary Geologic Map of the Parowan Gap Quadrangle, Iron County, Utah. United States Department of the Interior, Geological Survey, 1991.