Black man,R L, & Eastop,V F. (1994). Aphids on the world trees: An identification and information guide. CAB international.
Chicago Edition CitationBlack man,R L, and Eastop,V F. Aphids on the World Trees: An Identification and Information Guide. UK: CAB international, 1994.
MLA Edition CitationBlack man,R L, and Eastop,V F. Aphids on the World Trees: An Identification and Information Guide. CAB international, 1994.
Warning: These citations may not always be 100% accurate.