APA (7th ed.) Citation

Emmett, D., & Nice, G. (2009). What you need to know about cannabis : understanding the facts / David Emmett and Graeme Nice: Understanding the facts. Jessica Kingsley.

Chicago Style (17th ed.) Citation

Emmett, David, and Graeme Nice. What You Need to Know About Cannabis : Understanding the Facts / David Emmett and Graeme Nice: Understanding the Facts. London ; Philadelphia: Jessica Kingsley, 2009.

MLA (9th ed.) Citation

Emmett, David, and Graeme Nice. What You Need to Know About Cannabis : Understanding the Facts / David Emmett and Graeme Nice: Understanding the Facts. Jessica Kingsley, 2009.

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