APA (7th ed.) Citation

Kreitler, C. W., Sharp, J. M., Jr., & Ashworth, J. B. (1990). Hydrogeology of Trans-Pecos Texas. Bureau of Economic Geology, University of Texas at Austin.

Chicago Style (17th ed.) Citation

Kreitler, Charles W., John Malcolm Sharp, Jr, and John B. Ashworth. Hydrogeology of Trans-Pecos Texas. Austin, Tex.: Bureau of Economic Geology, University of Texas at Austin, 1990.

MLA (9th ed.) Citation

Kreitler, Charles W., et al. Hydrogeology of Trans-Pecos Texas. Bureau of Economic Geology, University of Texas at Austin, 1990.