APA (7th ed.) Citation

Hardy, G. H. (2018). A course of pure mathematics (Third edition, Dover edition.). Dover Publications, Inc..

Chicago Style (17th ed.) Citation

Hardy, G. H. A Course of Pure Mathematics. Third edition, Dover edition. Mineola, New York: Dover Publications, Inc., 2018.

MLA (9th ed.) Citation

Hardy, G. H. A Course of Pure Mathematics. Third edition, Dover edition. Dover Publications, Inc., 2018.