APA (7th ed.) Citation

Marsh, A., & Allsop, S. (2008). Co-occurring drug and personality disorders. IP Communications.

Chicago Style (17th ed.) Citation

Marsh, Alison, and S. Allsop. Co-occurring Drug and Personality Disorders. IP Communications, 2008.

MLA (9th ed.) Citation

Marsh, Alison, and S. Allsop. Co-occurring Drug and Personality Disorders. IP Communications, 2008.

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