knorr, L. C. (1973). Citrus disease and disorders. University presses of florida.
Chicago Edition Citationknorr, L C. Citrus Disease and Disorders. Gainesvill: University presses of florida, 1973.
MLA Edition Citationknorr, L C. Citrus Disease and Disorders. University presses of florida, 1973.
Warning: These citations may not always be 100% accurate.