APA (7th ed.) Citation

Albrecht, H., & Kalmthout, A. M. v. (1989). Preface. Drug policies in Western Europe.

Chicago Style (17th ed.) Citation

Albrecht, Hans-Jörg, and Anton M. van Kalmthout. "Preface." Drug Policies in Western Europe 1989.

MLA (9th ed.) Citation

Albrecht, Hans-Jörg, and Anton M. van Kalmthout. "Preface." Drug Policies in Western Europe, 1989.

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