Evans, R. I., & Lorenz, K. (1975). Konrad Lorenz: The man and his ideas (First edition.). Harcourt Brace Jovanovich.
Cita Chicago Style (17a ed.)Evans, Richard I., y Konrad Lorenz. Konrad Lorenz: The Man and His Ideas. First edition. New York ; London: Harcourt Brace Jovanovich, 1975.
Cita MLA (9a ed.)Evans, Richard I., y Konrad Lorenz. Konrad Lorenz: The Man and His Ideas. First edition. Harcourt Brace Jovanovich, 1975.
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