Shukla, D. D., & Ward, C. (1994). Potyviridac. CAB International.
Chicago Edition CitationShukla, Dharma D., and Colinw Ward. Potyviridac. U.K: CAB International, 1994.
MLA Edition CitationShukla, Dharma D., and Colinw Ward. Potyviridac. CAB International, 1994.
Warning: These citations may not always be 100% accurate.