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MLA

Parker, J. R. (John Robert), Roy C Newton, and R. L. (Robert Leslie) Shotwell. "Observations On Mass Flights and Other Activities of the Migratory Grasshopper." , p.. Print

APA

Parker, J. R. (John Robert), Newton, R. C, & Shotwell, R. L. (Robert Leslie). (1955). Observations on mass flights and other activities of the migratory grasshopper.

Chicago

Parker, J. R. (John Robert), Roy C Newton, and R. L. (Robert Leslie) Shotwell. "Observations on mass flights and other activities of the migratory grasshopper" (0000): p..