APA (7th ed.) Citation

Andrews, G. E. (1971). Number theory (2. print.). Saunders.

Chicago Style (17th ed.) Citation

Andrews, George E. Number Theory. 2. print. Philadelphia [u.a.]: Saunders, 1971.

MLA (9th ed.) Citation

Andrews, George E. Number Theory. 2. print. Saunders, 1971.