APA (7th ed.) Citation

Mann, W. L. (1948). Early history of Williamson County. [publisher not identified].

Chicago Style (17th ed.) Citation

Mann, William L. Early History of Williamson County. [Georgetown, Tex.]: [publisher not identified], 1948.

MLA (9th ed.) Citation

Mann, William L. Early History of Williamson County. [publisher not identified], 1948.