Berg, R. T., & Butterfield, R. M. (1976). New concepts of cattle growth.
Chicago Style (17th ed.) CitationBerg, Roy T., and Rex M. Butterfield. New Concepts of Cattle Growth. 1976.
MLA (9th ed.) CitationBerg, Roy T., and Rex M. Butterfield. New Concepts of Cattle Growth. 1976.
Warning: These citations may not always be 100% accurate.