Citazione Stile APA (7a Edizione)

Niven, I. M., Zuckerman, H. S., & Montgomery, H. L. (1991). An introduction to the theory of numbers (Fifth edition.). Wiley.

Citazione stile Chigago Style (17a edizione)

Niven, Ivan Morton, Herbert S. Zuckerman, e Hugh L. Montgomery. An Introduction to the Theory of Numbers. Fifth edition. New York; New Delhi: Wiley, 1991.

Citatione MLA (8a ed.)

Niven, Ivan Morton, et al. An Introduction to the Theory of Numbers. Fifth edition. Wiley, 1991.