APA (7th ed.) Citation

Stephens, R. W. (1972). Texas ranger sketches. [publisher not identified].

Chicago Style (17th ed.) Citation

Stephens, Robert W. Texas Ranger Sketches. [Dallas, Tex.]: [publisher not identified], 1972.

MLA (9th ed.) Citation

Stephens, Robert W. Texas Ranger Sketches. [publisher not identified], 1972.