APA (7th ed.) Citation

Ribenboim, P. (2017). Prime numbers, friends who give problems: A trialogue with Papa Paulo. World Scientific Publishing Co. Pte Ltd.

Chicago Style (17th ed.) Citation

Ribenboim, Paulo. Prime Numbers, Friends Who Give Problems: A Trialogue with Papa Paulo. Singapore: World Scientific Publishing Co. Pte Ltd, 2017.

MLA (9th ed.) Citation

Ribenboim, Paulo. Prime Numbers, Friends Who Give Problems: A Trialogue with Papa Paulo. World Scientific Publishing Co. Pte Ltd, 2017.

Warning: These citations may not always be 100% accurate.