Phillips, C. (2011). 50 brain-training puzzles to change the way you think : visual thinking / Charles Phillips: Visual thinking (Connections ed.). Connections.
Chicago Style (17th ed.) CitationPhillips, Charles. 50 Brain-training Puzzles to Change the Way You Think : Visual Thinking / Charles Phillips: Visual Thinking. Connections ed. London: Connections, 2011.
MLA (9th ed.) CitationPhillips, Charles. 50 Brain-training Puzzles to Change the Way You Think : Visual Thinking / Charles Phillips: Visual Thinking. Connections ed. Connections, 2011.
Warning: These citations may not always be 100% accurate.