APA (7th ed.) Citation

McCall Smith, E., & McCall Smith, R. A. (1986). So you want to try drugs?: Here's what you should know (Revised edition.). Chambers.

Chicago Style (17th ed.) Citation

McCall Smith, Elizabeth, and R. A. McCall Smith. So You Want to Try Drugs?: Here's What You Should Know. Revised edition. Edinburgh, UK: Chambers, 1986.

MLA (9th ed.) Citation

McCall Smith, Elizabeth, and R. A. McCall Smith. So You Want to Try Drugs?: Here's What You Should Know. Revised edition. Chambers, 1986.