ScienceDirect (Online service), Painter, A. A., & Harvey, B. W. (1990). A Guide to the Food Safety Act 1990. Butterworths.
Chicago Style (17th ed.) CitationScienceDirect (Online service), A. A. Painter, and Brian W. Harvey. A Guide to the Food Safety Act 1990. London: Butterworths, 1990.
MLA (9th ed.) CitationScienceDirect (Online service), et al. A Guide to the Food Safety Act 1990. Butterworths, 1990.
Warning: These citations may not always be 100% accurate.