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MLA

Smith, Floyd F. "The Nature of the Sheath Material In the Feeding Punctures Produced by the Potato-leaf Hopper and the Three-cornered Alfalfa Hopper." , 475-485.. Print

APA

Smith, F. F. (0000). The Nature of the Sheath Material in the Feeding Punctures Produced by the Potato-Leaf Hopper and the Three-Cornered Alfalfa Hopper.

Chicago

Smith, Floyd F. "The Nature of the Sheath Material in the Feeding Punctures Produced by the Potato-Leaf Hopper and the Three-Cornered Alfalfa Hopper" (1933): 475-485..