APA (7e ed.) Bronvermelding

Hardy, G. H. (1971). Introduction to the theory of numbers (4th.). English Language book society.

Chicago (17e ed.) Bronvermelding

Hardy, G. H. Introduction to the Theory of Numbers. 4th. London: English Language book society, 1971.

MLA (9e ed.) Bronvermelding

Hardy, G. H. Introduction to the Theory of Numbers. 4th. English Language book society, 1971.