APA (7th ed.) Citation

Lonsdale, J. T., & Day, J. R. (1937). Geology and ground-water resources of Webb County, Texas. United States Department of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Lonsdale, John T., and James R. Day. Geology and Ground-water Resources of Webb County, Texas. [Washington, D.C.]: United States Department of the Interior, Geological Survey, 1937.

MLA (9th ed.) Citation

Lonsdale, John T., and James R. Day. Geology and Ground-water Resources of Webb County, Texas. United States Department of the Interior, Geological Survey, 1937.