Cita APA (7th ed.)

Wall, H. S. (2009). Creative mathematics (Rev. ed.). Mathematical Association of America.

Cita Chicago (17th ed.)

Wall, H. S. Creative Mathematics. Rev. ed. Washington, D.C.: Mathematical Association of America, 2009.

Cita MLA (9th ed.)

Wall, H. S. Creative Mathematics. Rev. ed. Mathematical Association of America, 2009.