Cita APA (7a ed.)

Friend, M. (2007). Introducing philosophy of mathematics. Acumen.

Cita Chicago Style (17a ed.)

Friend, Michèle. Introducing Philosophy of Mathematics. Stocksfield: Acumen, 2007.

Cita MLA (9a ed.)

Friend, Michèle. Introducing Philosophy of Mathematics. Acumen, 2007.