APA (7th ed.) Zitazioa

Pickover, C. A. (1995). Keys to infinity. John Wiley.

Chicago Style (17th ed.) Zitazioa

Pickover, Clifford A. Keys to Infinity. Nueva York: John Wiley, 1995.

MLA (9th ed.) Zitazioa

Pickover, Clifford A. Keys to Infinity. John Wiley, 1995.