Cita APA (7a ed.)

Koerner, S. (1971). The philosophy of mathematics. An introductiry essay. Hutchinson University Library.

Cita Chicago Style (17a ed.)

Koerner, Stephan. The Philosophy of Mathematics. An Introductiry Essay. London: Hutchinson University Library, 1971.

Cita MLA (9a ed.)

Koerner, Stephan. The Philosophy of Mathematics. An Introductiry Essay. Hutchinson University Library, 1971.