APA

G. H. Hardy, E. M. Wright, . (1971). An introduction to the theory of numbers. : English Language Book Society, Oxford University Press.

Chicago

G. H. Hardy, E. M. Wright, . 1971. An introduction to the theory of numbers. : English Language Book Society, Oxford University Press.

Harvard

G. H. Hardy, E. M. Wright, . (1971). An introduction to the theory of numbers. : English Language Book Society, Oxford University Press.

MLA

G. H. Hardy, E. M. Wright, . An introduction to the theory of numbers. : English Language Book Society, Oxford University Press. 1971.