Cita APA (7a ed.)

Hardy, G. H., & Wright, E. M. (1992). An introduction to the theory of numbers (5th ed.). Clarendon.

Cita Chicago Style (17a ed.)

Hardy, G. H., y E. M. Wright. An Introduction to the Theory of Numbers. 5th ed. Oxford: Clarendon, 1992.

Cita MLA (9a ed.)

Hardy, G. H., y E. M. Wright. An Introduction to the Theory of Numbers. 5th ed. Clarendon, 1992.