Cita APA

Sánchez-Niubò, A., Aalen, O. O., Domingo-Salvany, A., Amundsen, E. J., Fortiana, J., & Røysland, K. (2013). A multi-state model to estimate incidence of heroin use. BioMed Central.

Chicago Style Citation

Sánchez-Niubò, Albert, Odd O. Aalen, Antònia Domingo-Salvany, Ellen J. Amundsen, Josep Fortiana, i Kjetil Røysland. A Multi-state Model to Estimate Incidence of Heroin Use. BioMed Central, 2013.

Cita MLA

Sánchez-Niubò, Albert, et al. A Multi-state Model to Estimate Incidence of Heroin Use. BioMed Central, 2013.