APA (7th ed.) Citation

Texas Agricultural Experiment Station. (1959). Valverde: A new downy-mildew-immune lettuce variety. Texas Agricultural Experiment Station.

Chicago Style (17th ed.) Citation

Texas Agricultural Experiment Station. Valverde: A New Downy-mildew-immune Lettuce Variety. College Station, Tex.: Texas Agricultural Experiment Station, 1959.

MLA (9th ed.) Citation

Texas Agricultural Experiment Station. Valverde: A New Downy-mildew-immune Lettuce Variety. Texas Agricultural Experiment Station, 1959.