Westcott, C., & Horst, R. K. (1979). Westcott's Plant disease handbook (4th ed.). Van Nostrand Reinhold.
Chicago Style (17th ed.) CitationWestcott, Cynthia, and R. Kenneth Horst. Westcott's Plant Disease Handbook. 4th ed. New York: Van Nostrand Reinhold, 1979.
MLA (9th ed.) CitationWestcott, Cynthia, and R. Kenneth Horst. Westcott's Plant Disease Handbook. 4th ed. Van Nostrand Reinhold, 1979.
Warning: These citations may not always be 100% accurate.