APA (7th ed.) Citation

Bernat de Celis, J. (1989). France's policy concerning illegal drug users. Drug policies in Western Europe, 143-159.

Chicago Style (17th ed.) Citation

Bernat de Celis, Jacqueline. "France's Policy Concerning Illegal Drug Users." Drug Policies in Western Europe 1989: 143-159.

MLA (9th ed.) Citation

Bernat de Celis, Jacqueline. "France's Policy Concerning Illegal Drug Users." Drug Policies in Western Europe, 1989, pp. 143-159.