Cita APA (7th ed.)

Hardy, G. H., & Wright, E. M. (2004). An introduction to the theory of numbers (Fifth edition.). Oxford University Press.

Cita Chicago (17th ed.)

Hardy, G. H., i Edward Maitland Wright. An Introduction to the Theory of Numbers. Fifth edition. Oxford ; New York: Oxford University Press, 2004.

Cita MLA (8th ed.)

Hardy, G. H., i Edward Maitland Wright. An Introduction to the Theory of Numbers. Fifth edition. Oxford University Press, 2004.

Atenció: Aquestes cites poden no estar 100% correctes.