APA (7th ed.) Citation

Norbury, C., Griffiths, H., & Nation, K. (2010). Sound before meaning: Word learning in autistic disorders.

Chicago Style (17th ed.) Citation

Norbury, C., H. Griffiths, and K. Nation. Sound Before Meaning: Word Learning in Autistic Disorders. 2010.

MLA (9th ed.) Citation

Norbury, C., et al. Sound Before Meaning: Word Learning in Autistic Disorders. 2010.