Cita APA (7a ed.)

Geach, P. T., & Black, M. (1970). Translations from the philosophical writings of Gottlob Frege. Basil Blackwell.

Cita Chicago Style (17a ed.)

Geach, P. T., y Max Black. Translations from the Philosophical Writings of Gottlob Frege. Oxford: Basil Blackwell, 1970.

Cita MLA (9a ed.)

Geach, P. T., y Max Black. Translations from the Philosophical Writings of Gottlob Frege. Basil Blackwell, 1970.