Colby, S. (1989). Herbicide Handbook of the Weed Science Society of Amerika Sixth Edition.
Chicago Style CitationColby, S. Herbicide Handbook of the Weed Science Society of Amerika Sixth Edition. 1989.
MLA CitationColby, S. Herbicide Handbook of the Weed Science Society of Amerika Sixth Edition. 1989.
Warning: These citations may not always be 100% accurate.