Cita APA (7th ed.)

Hardy, G. (1968). Introduction to the theory of numbers. Clarendon Press.

Cita Chicago (17th ed.)

Hardy, G.G. Introduction to the Theory of Numbers. Oxford: Clarendon Press, 1968.

Cita MLA (9th ed.)

Hardy, G.G. Introduction to the Theory of Numbers. Clarendon Press, 1968.