McMillen, W., & Bisbee, C. (1969). Bugs or people? (1st print.). Dell.
Cita Chicago Style (17a ed.)McMillen, Wheeler, y Cliff Bisbee. Bugs or People? 1st print. New York: Dell, 1969.
Cita MLA (9a ed.)McMillen, Wheeler, y Cliff Bisbee. Bugs or People? 1st print. Dell, 1969.
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