Hardy, G. H. (1940). A Mathematician's apology. C.U.Pr.
Cita Chicago (17th ed.)Hardy, Godfrey H. A Mathematician's Apology. London: C.U.Pr, 1940.
Cita MLA (9th ed.)Hardy, Godfrey H. A Mathematician's Apology. C.U.Pr, 1940.
Atenció: Aquestes cites poden no estar 100% correctes.