Cita APA (7a ed.)

Hardy, G. H. (1946). A course of pure mathematics (9a. ed.). University press.

Cita Chicago Style (17a ed.)

Hardy, Godfrey Harold. A Course of Pure Mathematics. 9a. ed. Cambridge: University press, 1946.

Cita MLA (9a ed.)

Hardy, Godfrey Harold. A Course of Pure Mathematics. 9a. ed. University press, 1946.