Cita APA (7th ed.)
Smith, K. J. (2011). The Nature of Mathematics (12th Ed.). Cengage/Wadsworth.
Cita Chicago (17th ed.)
Smith, Karl J. The Nature of Mathematics. 12th Ed. Belmont, CA: Cengage/Wadsworth, 2011.
Cita MLA (9th ed.)
Smith, Karl J. The Nature of Mathematics. 12th Ed. Cengage/Wadsworth, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.