APA (7th ed.) Citation

(1975). The theory of numbers. North-Holland Publ. Co. (u.a.).

Chicago Style (17th ed.) Citation

The Theory of Numbers. Amsterdam (u.a.): North-Holland Publ. Co. (u.a.), 1975.

MLA (9th ed.) Citation

The Theory of Numbers. North-Holland Publ. Co. (u.a.), 1975.

Warning: These citations may not always be 100% accurate.