Blackman, R. (1984). Aphids on The WORLD'S Crops: An ldentificatioa Guide.
Chicago Style CitationBlackman, R.L. Aphids On The WORLD'S Crops: An Ldentificatioa Guide. 1984.
MLA CitationBlackman, R.L. Aphids On The WORLD'S Crops: An Ldentificatioa Guide. 1984.
Warning: These citations may not always be 100% accurate.