APA (7th ed.) Citation

McCall Smith, E. (1986). So you want to try drugs?: Here's what you should know (rev. ed.). McDonald Publisher.

Chicago Style (17th ed.) Citation

McCall Smith, Elizabeth. So You Want to Try Drugs?: Here's What You Should Know. rev. ed. Edinburgh: McDonald Publisher, 1986.

MLA (9th ed.) Citation

McCall Smith, Elizabeth. So You Want to Try Drugs?: Here's What You Should Know. rev. ed. McDonald Publisher, 1986.