Metcalf, R. L., & Mckelvey, J. J. (1976). The future for insecticides: Needs and prospects. John Wiley.

Metcalf, Robert L., and John J. Mckelvey. The Future for Insecticides: Needs and Prospects. New York, USA: John Wiley, 1976.

Metcalf, Robert L., and John J. Mckelvey. The Future for Insecticides: Needs and Prospects. John Wiley, 1976.