APA (7th ed.) Citation

Valentine, J. H., Supak, J. R., & Petr, F. C. (1974). Fertilization of crops with feedlot wastes on the Texas high plains. Texas Agricultural Extension Service.

Chicago Style (17th ed.) Citation

Valentine, James H., James R. Supak, and Frank C. Petr. Fertilization of Crops with Feedlot Wastes on the Texas High Plains. College Station, Texas: Texas Agricultural Extension Service, 1974.

MLA (9th ed.) Citation

Valentine, James H., et al. Fertilization of Crops with Feedlot Wastes on the Texas High Plains. Texas Agricultural Extension Service, 1974.