APA (7th ed.) Citation

Phillips, C. (2011). 50 brain-training puzzles to change the way you think : creative thinking / Charles Phillips: Creative thinking (Connections ed.). Connections.

Chicago Style (17th ed.) Citation

Phillips, Charles. 50 Brain-training Puzzles to Change the Way You Think : Creative Thinking / Charles Phillips: Creative Thinking. Connections ed. London: Connections, 2011.

MLA (9th ed.) Citation

Phillips, Charles. 50 Brain-training Puzzles to Change the Way You Think : Creative Thinking / Charles Phillips: Creative Thinking. Connections ed. Connections, 2011.

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