Cita APA (7th ed.)
DE LA FUENTE, L., & ET AL. (1998). THE TRANSITION FROM INJECTING TO SMOKING HEROIN IN THREE SPANISH CITIES.
Cita Chicago (17th ed.)
DE LA FUENTE, L., i ET AL. THE TRANSITION FROM INJECTING TO SMOKING HEROIN IN THREE SPANISH CITIES. 1998.
Cita MLA (9th ed.)
DE LA FUENTE, L., i ET AL. THE TRANSITION FROM INJECTING TO SMOKING HEROIN IN THREE SPANISH CITIES. 1998.
Atenció: Aquestes cites poden no estar 100% correctes.