APA (7th ed.) Citation

Brown, C. L. (1966). Geology of the Northwest Wortham area, Navarro, Limestone, and Freestone counties, Texas. [publisher not identified].

Chicago Style (17th ed.) Citation

Brown, Clifford Littleton. Geology of the Northwest Wortham Area, Navarro, Limestone, and Freestone Counties, Texas. [College Station, Tex.]: [publisher not identified], 1966.

MLA (9th ed.) Citation

Brown, Clifford Littleton. Geology of the Northwest Wortham Area, Navarro, Limestone, and Freestone Counties, Texas. [publisher not identified], 1966.