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MLA

United States. Bureau of Entomology and Plant Quarantine, and R. A Sheals. Gypsy moth sex attractant survey : summer of 1945. United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1945.

APA

United States. Bureau of Entomology and Plant Quarantine, and Sheals, R. A. (1945). Gypsy moth sex attractant survey : summer of 1945. United States Department of Agriculture, Bureau of Entomology and Plant Quarantine.

Chicago

United States. Bureau of Entomology and Plant Quarantine, and R. A Sheals. Gypsy moth sex attractant survey : summer of 1945. United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1945.