Cita APA (7a ed.)
Metcalf, C. L., & Flint, W. P. (1939). Destructive and useful insects: Their habitat and control (2a ed.). McGraw-Hill Book Company.
Cita Chicago Style (17a ed.)
Metcalf, C. L., y W. P. Flint. Destructive and Useful Insects: Their Habitat and Control. 2a ed. New York: McGraw-Hill Book Company, 1939.
Cita MLA (9a ed.)
Metcalf, C. L., y W. P. Flint. Destructive and Useful Insects: Their Habitat and Control. 2a ed. McGraw-Hill Book Company, 1939.
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