Bulla, C. R., & Otani, J. (1994). What makes a shadow? (Rev. ed.). HarperCollins.
Chicago Style (17th ed.) CitationBulla, Clyde Robert, and June Otani. What Makes a Shadow? Rev. ed. New York, NY: HarperCollins, 1994.
MLA (8th ed.) CitationBulla, Clyde Robert, and June Otani. What Makes a Shadow? Rev. ed. HarperCollins, 1994.
Warning: These citations may not always be 100% accurate.