APA (7th ed.) Citation

Heanue, K., & Lawton, C. (2012). Working with substance users. Open University Press.

Chicago Style (17th ed.) Citation

Heanue, Kim, and Chris Lawton. Working with Substance Users. Maidenhead [u.a.]: Open University Press, 2012.

MLA (8th ed.) Citation

Heanue, Kim, and Chris Lawton. Working with Substance Users. Open University Press, 2012.