APA (7th ed.) Citation

Watanabe, K. (2009). Problem Solving 101: A. Simple Book For Smart People. Penguin.

Chicago Style (17th ed.) Citation

Watanabe, Ken. Problem Solving 101: A. Simple Book For Smart People. Penguin, 2009.

MLA (8th ed.) Citation

Watanabe, Ken. Problem Solving 101: A. Simple Book For Smart People. Penguin, 2009.

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