Frege, G., Geach, P. T., & Black, M. (1980). Translations from the philosophical writings of Gottlob Frege (3rd ed.). Basil Blackwell.
Cita Chicago Style (17a ed.)Frege, Gottlob, P. T. Geach, y Max Black. Translations from the Philosophical Writings of Gottlob Frege. 3rd ed. Oxford: Basil Blackwell, 1980.
Cita MLA (9a ed.)Frege, Gottlob, et al. Translations from the Philosophical Writings of Gottlob Frege. 3rd ed. Basil Blackwell, 1980.
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