APA (7th ed.) Citation

Gifaldi, D., & Greger, C. S. (1993). The boy who spoke colors. Houghton Mifflin.

Chicago Style (17th ed.) Citation

Gifaldi, David, and C. Shana Greger. The Boy Who Spoke Colors. Boston: Houghton Mifflin, 1993.

MLA (9th ed.) Citation

Gifaldi, David, and C. Shana Greger. The Boy Who Spoke Colors. Houghton Mifflin, 1993.