APA (7th ed.) Citation

Barnes, V. E. (1952). Geologic map of the Spring Creek Quadrangle, Gillespie County, Texas. Bureau of Economic Geology, University of Texas.

Chicago Style (17th ed.) Citation

Barnes, Virgil E. Geologic Map of the Spring Creek Quadrangle, Gillespie County, Texas. Austin, Tex.: Bureau of Economic Geology, University of Texas, 1952.

MLA (9th ed.) Citation

Barnes, Virgil E. Geologic Map of the Spring Creek Quadrangle, Gillespie County, Texas. Bureau of Economic Geology, University of Texas, 1952.