APA (7th ed.) Citation

DeFord, R. K. (1958). Tertiary formations of Rim Rock Country, Presidio County, Trans-Pecos Texas. Bureau of Economic Geology.

Chicago Style (17th ed.) Citation

DeFord, Ronald K. Tertiary Formations of Rim Rock Country, Presidio County, Trans-Pecos Texas. Austin, Tex.: Bureau of Economic Geology, 1958.

MLA (8th ed.) Citation

DeFord, Ronald K. Tertiary Formations of Rim Rock Country, Presidio County, Trans-Pecos Texas. Bureau of Economic Geology, 1958.

Warning: These citations may not always be 100% accurate.