APA (7th ed.) Citation

Barker, R. A., Ardis, A. F., National Regional Aquifer Systems Analysis Program, & Geological Survey. (1996). Hydrogeologic framework of the Edwards-Trinity aquifer system, west-central Texas. United States Government Printing Office.

Chicago Style (17th ed.) Citation

Barker, René A., Ann F. Ardis, National Regional Aquifer Systems Analysis Program, and Geological Survey. Hydrogeologic Framework of the Edwards-Trinity Aquifer System, West-central Texas. Washington: United States Government Printing Office, 1996.

MLA (8th ed.) Citation

Barker, René A., et al. Hydrogeologic Framework of the Edwards-Trinity Aquifer System, West-central Texas. United States Government Printing Office, 1996.