Cita APA (7th ed.)
Zippin, L. (1962). Uses of infinity. Mathematical Association of America.
Cita Chicago (17th ed.)
Zippin, Leo. Uses of Infinity. Washington, DC: Mathematical Association of America, 1962.
Cita MLA (9th ed.)
Zippin, Leo. Uses of Infinity. Mathematical Association of America, 1962.
Atenció: Aquestes cites poden no estar 100% correctes.