Cita APA (7th ed.)
Boehm, G. A. W. The New World of Mathematics (1a.ed.). Faber.
Cita Chicago (17th ed.)
Boehm, George A. W. The New World of Mathematics. 1a.ed. Londres: Faber.
Cita MLA (9th ed.)
Boehm, George A. W. The New World of Mathematics. 1a.ed. Faber.
Atenció: Aquestes cites poden no estar 100% correctes.