Cita APA (7th ed.)

Hardy, G. H. (1992). A mathematician's apology. Cambridge University Press.

Cita Chicago (17th ed.)

Hardy, Godfrey Harold. A Mathematician's Apology. Cambridge: Cambridge University Press, 1992.

Cita MLA (9th ed.)

Hardy, Godfrey Harold. A Mathematician's Apology. Cambridge University Press, 1992.