APA (7th ed.) Citation

Barton, A., & Hay, D. (2008). Attention deficit hyperactivity disorder and comorbid drug use. IP Communications.

Chicago Style (17th ed.) Citation

Barton, A., and David Hay. Attention Deficit Hyperactivity Disorder and Comorbid Drug Use. IP Communications, 2008.

MLA (9th ed.) Citation

Barton, A., and David Hay. Attention Deficit Hyperactivity Disorder and Comorbid Drug Use. IP Communications, 2008.

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