APA (7th ed.) Citation

Niven, I. M. (1965). Mathematics of choice or how to count without counting. The Mathematical Association of America.

Chicago Style (17th ed.) Citation

Niven, Ivan Morton. Mathematics of Choice or How to Count Without Counting. Nueva York: The Mathematical Association of America, 1965.

MLA (9th ed.) Citation

Niven, Ivan Morton. Mathematics of Choice or How to Count Without Counting. The Mathematical Association of America, 1965.