APA

Hardy G. H., Wright E. M., . (1968). An introduction to the theory of numbers. New York: Oxford at the Clarendon Press.

Chicago

Hardy G H, Wright E M, . 1968. An introduction to the theory of numbers. New York: Oxford at the Clarendon Press.

Harvard

Hardy G. H., Wright E. M., . (1968). An introduction to the theory of numbers. New York: Oxford at the Clarendon Press.

MLA

Hardy G H, Wright E M, . An introduction to the theory of numbers. New York: Oxford at the Clarendon Press. 1968.