APA (7th ed.) Citation

Niven, I., & Zuckerman, H. S. (1980). An introduction to the theory of numbers. John Wiley r Sons.

Chicago Style (17th ed.) Citation

Niven, Ivan, and Herbert S. Zuckerman. An Introduction to the Theory of Numbers. John Wiley r Sons, 1980.

MLA (8th ed.) Citation

Niven, Ivan, and Herbert S. Zuckerman. An Introduction to the Theory of Numbers. John Wiley r Sons, 1980.

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