Cita APA (7a ed.)

Niven, I. M. (1960). An Introduction to the theory of numbers (3rd ed.). John Wiley and Sons.

Cita Chicago Style (17a ed.)

Niven, Ivan Morton. An Introduction to the Theory of Numbers. 3rd ed. New York: John Wiley and Sons, 1960.

Cita MLA (9a ed.)

Niven, Ivan Morton. An Introduction to the Theory of Numbers. 3rd ed. John Wiley and Sons, 1960.