ScienceDirect (Online service), Easter School in Agricultural Science, Clark, J. A., Gregson, K., & Saffell, R. A. (1987). Computer applications in agricultural environments. Butterworths.
Chicago Style (17th ed.) CitationScienceDirect (Online service), Easter School in Agricultural Science, J. A. Clark, K. Gregson, and R. A. Saffell. Computer Applications in Agricultural Environments. London ; Boston: Butterworths, 1987.
MLA (9th ed.) CitationScienceDirect (Online service), et al. Computer Applications in Agricultural Environments. Butterworths, 1987.
Warning: These citations may not always be 100% accurate.