APA (7th ed.) Citation

Sigafoos, J., & Littlewood, R. (1999). Communication Intervention on the Playground: A Case Study on Teaching Requesting to a Young Child with Autism. International Journal of Disability, Development and Education, 46(3), 421.

Chicago Style (17th ed.) Citation

Sigafoos, Jeff, and Rachel Littlewood. "Communication Intervention on the Playground: A Case Study on Teaching Requesting to a Young Child with Autism." International Journal of Disability, Development and Education 46, no. 3 (1999): 421.

MLA (9th ed.) Citation

Sigafoos, Jeff, and Rachel Littlewood. "Communication Intervention on the Playground: A Case Study on Teaching Requesting to a Young Child with Autism." International Journal of Disability, Development and Education, vol. 46, no. 3, 1999, p. 421.

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