APA (7th ed.) Citation

Texas. Travel and Information Division. (1980). Flowers of Texas. Texas Highway Dept., Travel & Information Division.

Chicago Style (17th ed.) Citation

Texas. Travel and Information Division. Flowers of Texas. Austin, Tex.: Texas Highway Dept., Travel & Information Division, 1980.

MLA (9th ed.) Citation

Texas. Travel and Information Division. Flowers of Texas. Texas Highway Dept., Travel & Information Division, 1980.