Paraquin, K. H. (1987). The world's best optical illusions. Sterling Pub. Co..
Chicago Style (17th ed.) CitationParaquin, Karl Heinz. The World's Best Optical Illusions. New York: Sterling Pub. Co., 1987.
MLA (9th ed.) CitationParaquin, Karl Heinz. The World's Best Optical Illusions. Sterling Pub. Co., 1987.
Warning: These citations may not always be 100% accurate.