APA (7th ed.) Citation

Hardy, G. H., & Wright, E. M. (1960). An introduction to the theory of numbers (4. ed.). Clarendon Pr.

Chicago Style (17th ed.) Citation

Hardy, Godfrey H., and Edward M. Wright. An Introduction to the Theory of Numbers. 4. ed. Oxford: Clarendon Pr, 1960.

MLA (9th ed.) Citation

Hardy, Godfrey H., and Edward M. Wright. An Introduction to the Theory of Numbers. 4. ed. Clarendon Pr, 1960.