APA (7th ed.) Citation

Niven, I., & Zuckerman, H. S. (1966). An introduction to the theory of numbers. Wiley.

Chicago Style (17th ed.) Citation

Niven, Ivan, and Herbert S. Zuckerman. An Introduction to the Theory of Numbers. New York: Wiley, 1966.

MLA (9th ed.) Citation

Niven, Ivan, and Herbert S. Zuckerman. An Introduction to the Theory of Numbers. Wiley, 1966.