APA (7th ed.) Citation

Jones, D. D., Friday, W. H., & DeForest, S. S. (1980). Cooling systems for livestock. Cooperative Extension Service, Purdue University.

Chicago Style (17th ed.) Citation

Jones, D. D., William H. Friday, and Sherwood S. DeForest. Cooling Systems for Livestock. West Lafayette, Ind.: Cooperative Extension Service, Purdue University, 1980.

MLA (9th ed.) Citation

Jones, D. D., et al. Cooling Systems for Livestock. Cooperative Extension Service, Purdue University, 1980.