Cita APA (7a ed.)

Brown, J. R. (1999). Philosophy of mathematics: an introduction to: The world of proofs and pictures. Routledge.

Cita Chicago Style (17a ed.)

Brown, James Robert. Philosophy of Mathematics: An Introduction to: The World of Proofs and Pictures. London: Routledge, 1999.

Cita MLA (9a ed.)

Brown, James Robert. Philosophy of Mathematics: An Introduction to: The World of Proofs and Pictures. Routledge, 1999.