Cita APA (7a ed.)

Niven, I. M., & Zuckerman, H. S. (1965). An introduction to the theory of numbers. John Wiley & Sons.

Cita Chicago Style (17a ed.)

Niven, Ivan Morton, y Herbert S. Zuckerman. An Introduction to the Theory of Numbers. New York [etc.]: John Wiley & Sons, 1965.

Cita MLA (9a ed.)

Niven, Ivan Morton, y Herbert S. Zuckerman. An Introduction to the Theory of Numbers. John Wiley & Sons, 1965.