Cita APA (7th ed.)

Niven, I. (1961). Numbers: Rational and irrational. Mathematical Association of America.

Cita Chicago (17th ed.)

Niven, Ivan. Numbers: Rational and Irrational. Washington, DC: Mathematical Association of America, 1961.

Cita MLA (9th ed.)

Niven, Ivan. Numbers: Rational and Irrational. Mathematical Association of America, 1961.