APA (7th ed.) Citation

Ribenboim, P. (2000). My Numbers, My Friends: Popular Lectures on Number Theory. Springer New York.

Chicago Style (17th ed.) Citation

Ribenboim, Paulo. My Numbers, My Friends: Popular Lectures on Number Theory. New York, NY: Springer New York, 2000.

MLA (8th ed.) Citation

Ribenboim, Paulo. My Numbers, My Friends: Popular Lectures on Number Theory. Springer New York, 2000.