APA Citation

Watanabe, K. (2009). Problem Solving 101: A Simple Book for Smart People. London, UK: Portfolio Penguin.

Chicago Style Citation

Watanabe, Ken. Problem Solving 101: A Simple Book for Smart People. London, UK: Portfolio Penguin, 2009.

MLA Citation

Watanabe, Ken. Problem Solving 101: A Simple Book for Smart People. London, UK: Portfolio Penguin, 2009.

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