APA (7th ed.) Citation

St. Clair, G. A. (1965). A history of Hopkins County, Texas. [publisher not identified].

Chicago Style (17th ed.) Citation

St. Clair, Gladys Annelle. A History of Hopkins County, Texas. [Austin? Tex.]: [publisher not identified], 1965.

MLA (9th ed.) Citation

St. Clair, Gladys Annelle. A History of Hopkins County, Texas. [publisher not identified], 1965.