Texas Agricultural Experiment Station. (1959). Valverde: A new downy-mildew-immune lettuce variety. Texas Agricultural Experiment Station.
Chicago Style (17th ed.) CitationTexas Agricultural Experiment Station. Valverde: A New Downy-mildew-immune Lettuce Variety. College Station, Tex.: Texas Agricultural Experiment Station, 1959.
MLA (9th ed.) CitationTexas Agricultural Experiment Station. Valverde: A New Downy-mildew-immune Lettuce Variety. Texas Agricultural Experiment Station, 1959.
Warning: These citations may not always be 100% accurate.