APA (7th ed.) Citation

Bless, R., Kemmesies, U. E., & Diemel, S. (2000). Third multi-city study: Drug use trends in European cities in the 1990s. Council of Europe Publishing.

Chicago Style (17th ed.) Citation

Bless, Ruud, Uwe Ernst Kemmesies, and Steven Diemel. Third Multi-city Study: Drug Use Trends in European Cities in the 1990s. Strasbourg: Council of Europe Publishing, 2000.

MLA (8th ed.) Citation

Bless, Ruud, et al. Third Multi-city Study: Drug Use Trends in European Cities in the 1990s. Council of Europe Publishing, 2000.

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