Cita APA (7th ed.)

NIVEN, I. (1972). An Introduction to the theory of numbers (3rd ed.). Wiley.

Cita Chicago (17th ed.)

NIVEN, Ivan. An Introduction to the Theory of Numbers. 3rd ed. New York: Wiley, 1972.

Cita MLA (9th ed.)

NIVEN, Ivan. An Introduction to the Theory of Numbers. 3rd ed. Wiley, 1972.