Cita APA (7th ed.)

Niven, I. M., & Zuckerman, H. S. (1980). An introduction to the theory of numbers (4a. ed.). John Wiley & Sons.

Cita Chicago (17th ed.)

Niven, Ivan Morton, i Herbert S. Zuckerman. An Introduction to the Theory of Numbers. 4a. ed. Nueva York: John Wiley & Sons, 1980.

Cita MLA (9th ed.)

Niven, Ivan Morton, i Herbert S. Zuckerman. An Introduction to the Theory of Numbers. 4a. ed. John Wiley & Sons, 1980.