APA (7th ed.) Citation

Whitlow, J. W., & Brown, C. E. (1963). Geology of the Dubuque North quadrangle, Iowa-Wisconsin-Illinois. United States Department of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Whitlow, Jesse W., and C. Ervin Brown. Geology of the Dubuque North Quadrangle, Iowa-Wisconsin-Illinois. Washington, D.C.: United States Department of the Interior, Geological Survey, 1963.

MLA (9th ed.) Citation

Whitlow, Jesse W., and C. Ervin Brown. Geology of the Dubuque North Quadrangle, Iowa-Wisconsin-Illinois. United States Department of the Interior, Geological Survey, 1963.