APA (7th ed.) Citation

Niven, I., Zuckerman, H. S. -., & Montgomery, H. L. (1991). An introduction to the theory of numbers (5. ed.). Wiley.

Chicago Style (17th ed.) Citation

Niven, Ivan, Herbert S. -1970 Zuckerman, and Hugh L. Montgomery. An Introduction to the Theory of Numbers. 5. ed. New York u.a: Wiley, 1991.

MLA (9th ed.) Citation

Niven, Ivan, et al. An Introduction to the Theory of Numbers. 5. ed. Wiley, 1991.