Cita APA (7a ed.)

Negreiros, J. (1994). Theoretical orientations in drug abuse prevention research. Drugs, 1(2), 135-142.

Cita Chicago Style (17a ed.)

Negreiros, J. "Theoretical Orientations in Drug Abuse Prevention Research." Drugs 1, no. 2 (1994): 135-142.

Cita MLA (8a ed.)

Negreiros, J. "Theoretical Orientations in Drug Abuse Prevention Research." Drugs, vol. 1, no. 2, 1994, pp. 135-142.