Simpson, K. (1986). Fertilizers and manures. Longman Group.
Chicago Style (17th ed.) CitationSimpson, Ken. Fertilizers and Manures. Longman Group, 1986.
MLA (8th ed.) CitationSimpson, Ken. Fertilizers and Manures. Longman Group, 1986.
Warning: These citations may not always be 100% accurate.