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MLA

McGregor, E. A. "Lygus Elisus : a Pest of the Cotton Regions In Arizona and California." , p.. Print

APA

McGregor, E. A. (1927). Lygus elisus : a pest of the cotton regions in Arizona and California.

Chicago

McGregor, E. A. "Lygus elisus : a pest of the cotton regions in Arizona and California" (1927): p..