Cita APA (7a ed.)

Brouwer, L. E. J., & Heyting, A. (1975). Philosophy and foundations of mathematics. North-Holland [etc.].

Cita Chicago Style (17a ed.)

Brouwer, L. E. J., y A. Heyting. Philosophy and Foundations of Mathematics. Amsterdam [etc.]: North-Holland [etc.], 1975.

Cita MLA (9a ed.)

Brouwer, L. E. J., y A. Heyting. Philosophy and Foundations of Mathematics. North-Holland [etc.], 1975.