APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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