Yerkes, R. M., & Haslerud, G. M. (1979). The mental life of monkeys and apes (1916). Scholars' Facsmiles & Reprints.
Cita Chicago Style (17a ed.)Yerkes, Robert M., y George Martin Haslerud. The Mental Life of Monkeys and Apes (1916). Delmar, New York: Scholars' Facsmiles & Reprints, 1979.
Cita MLA (9a ed.)Yerkes, Robert M., y George Martin Haslerud. The Mental Life of Monkeys and Apes (1916). Scholars' Facsmiles & Reprints, 1979.
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