Cita APA (7th ed.)

Hardy,G.G. and Wright E.M. (1968). Introduction to the theory of numbers (4th ed.). Clarendon Press.

Cita Chicago (17th ed.)

Hardy,G.G. and Wright E.M. Introduction to the Theory of Numbers. 4th ed. Oxford: Clarendon Press, 1968.

Cita MLA (9th ed.)

Hardy,G.G. and Wright E.M. Introduction to the Theory of Numbers. 4th ed. Clarendon Press, 1968.