Cita APA (7a ed.)

Epstein, J., Murtha, C., Vorburger, M., & Barker, P. (2004). Serious mental illness and its co-occurrence with substance use disorders, 2002. Research Triangle Institute.

Cita Chicago Style (17a ed.)

Epstein, Joan, Christine Murtha, Michael Vorburger, y Peggy Barker. Serious Mental Illness and Its Co-occurrence with Substance Use Disorders, 2002. Research Triangle Institute, 2004.

Cita MLA (9a ed.)

Epstein, Joan, et al. Serious Mental Illness and Its Co-occurrence with Substance Use Disorders, 2002. Research Triangle Institute, 2004.