APA (7th ed.) Citation

Niven, I., Zuckerman, H., & Montgomery, H. L. (1991). An introduction to the theory of numbers / Ivan Niven, Herbert S.Zuckerman, Hugh L. Montgomery (5th ed.). Wiley.

Chicago Style (17th ed.) Citation

Niven, Ivan, Herbert Zuckerman, and Hugh L. Montgomery. An Introduction to the Theory of Numbers / Ivan Niven, Herbert S.Zuckerman, Hugh L. Montgomery. 5th ed. Chichester: Wiley, 1991.

MLA (9th ed.) Citation

Niven, Ivan, et al. An Introduction to the Theory of Numbers / Ivan Niven, Herbert S.Zuckerman, Hugh L. Montgomery. 5th ed. Wiley, 1991.

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