APA (7th ed.) Citation

Dudley, U. (1969). Elementary number theory. W. H. Freeman.

Chicago Style (17th ed.) Citation

Dudley, Underwood. Elementary Number Theory. San Francisco: W. H. Freeman, 1969.

MLA (8th ed.) Citation

Dudley, Underwood. Elementary Number Theory. W. H. Freeman, 1969.

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