Cita APA (7th ed.)

Henle, M. (2012). Which numbers are real? Mathematical Association of America.

Cita Chicago (17th ed.)

Henle, Michael. Which Numbers Are Real? Washington, D.C.: Mathematical Association of America, 2012.

Cita MLA (9th ed.)

Henle, Michael. Which Numbers Are Real? Mathematical Association of America, 2012.