Cita APA (7a ed.)

Anjewierden, O., & Atteveld, J. v. (1989). Current trends in Dutch opium legislation. Drug policies in Western Europe, 235-258.

Cita Chicago Style (17a ed.)

Anjewierden, Oscar, y J.M.A. van Atteveld. "Current Trends in Dutch Opium Legislation." Drug Policies in Western Europe 1989: 235-258.

Cita MLA (9a ed.)

Anjewierden, Oscar, y J.M.A. van Atteveld. "Current Trends in Dutch Opium Legislation." Drug Policies in Western Europe, 1989, pp. 235-258.