Blackman, R. L. 1. -., & Eastop, V. F. (1994). Aphids on the worldŽs trees: An identification and information guide. Wallingford: CAB International.
Chicago Style CitationBlackman, Roger L. 1941 -, and Victor Frank Eastop. Aphids On the WorldŽs Trees: An Identification and Information Guide. Wallingford: CAB International, 1994.
MLA CitationBlackman, Roger L. 1941 -, and Victor Frank Eastop. Aphids On the WorldŽs Trees: An Identification and Information Guide. Wallingford: CAB International, 1994.
Warning: These citations may not always be 100% accurate.