APA (7th ed.) Citation

Janzen, J. E. (1996). Understanding the nature of autism: A practical guide. Therapy Skills Builders.

Chicago Style (17th ed.) Citation

Janzen, Janice E. Understanding the Nature of Autism: A Practical Guide. San Antonio, Tex.: Therapy Skills Builders, 1996.

MLA (9th ed.) Citation

Janzen, Janice E. Understanding the Nature of Autism: A Practical Guide. Therapy Skills Builders, 1996.