Watanabe, K. (2009). Problem Solving 101: A. Simple Book For Smart People. Penguin.
Chicago Style (17th ed.) CitationWatanabe, Ken. Problem Solving 101: A. Simple Book For Smart People. Penguin, 2009.
MLA (8th ed.) CitationWatanabe, Ken. Problem Solving 101: A. Simple Book For Smart People. Penguin, 2009.
Warning: These citations may not always be 100% accurate.