Cita APA (7a ed.)

Kokkevi, A., Loukadakis, M., Plagianakou, S., & Politikou, K. (2000). Sharp increase in illicit drug use in Greece: Trends from a generalpopulation survey on licit and illicit drug use. European addiction research, 6(1), 42-49.

Cita Chicago Style (17a ed.)

Kokkevi, A., M. Loukadakis, S. Plagianakou, y K. Politikou. "Sharp Increase in Illicit Drug Use in Greece: Trends from a Generalpopulation Survey on Licit and Illicit Drug Use." European Addiction Research 6, no. 1 (2000): 42-49.

Cita MLA (8a ed.)

Kokkevi, A., et al. "Sharp Increase in Illicit Drug Use in Greece: Trends from a Generalpopulation Survey on Licit and Illicit Drug Use." European Addiction Research, vol. 6, no. 1, 2000, pp. 42-49.