ScienceDirect (Online service) & Duncan, R. (1992). Agricultural futures and options: A guide to using North American and European markets. Woodhead.
Chicago Style (17th ed.) CitationScienceDirect (Online service) and Richard Duncan. Agricultural Futures and Options: A Guide to Using North American and European Markets. Cambridge: Woodhead, 1992.
MLA (9th ed.) CitationScienceDirect (Online service) and Richard Duncan. Agricultural Futures and Options: A Guide to Using North American and European Markets. Woodhead, 1992.
Warning: These citations may not always be 100% accurate.