APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (9. p.)

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