Doblelli Rolf. (2013). Art of Thinking Clearly. Sceptre.
Chicago Style (17th ed.) CitationDoblelli Rolf. Art of Thinking Clearly. UK: Sceptre, 2013.
MLA (9th ed.) CitationDoblelli Rolf. Art of Thinking Clearly. Sceptre, 2013.
Warning: These citations may not always be 100% accurate.