APA (7th ed.) Citation

Heller, S. R., & Guarnaccia, S. (1994). Designing for children. Watson-Guptill.

Chicago Style (17th ed.) Citation

Heller, Steven R., and Steven Guarnaccia. Designing for Children. New York: Watson-Guptill, 1994.

MLA (9th ed.) Citation

Heller, Steven R., and Steven Guarnaccia. Designing for Children. Watson-Guptill, 1994.