Cita APA (7a ed.)

Ensminger, M. E., Anthony, J. C., & McCord, J. (1997). The inner city and drug use: Initial findings from an epidemiological study. [s.n.].

Cita Chicago Style (17a ed.)

Ensminger, Margaret E., James C. Anthony, y Joan McCord. The Inner City and Drug Use: Initial Findings from an Epidemiological Study. [S.l.]: [s.n.], 1997.

Cita MLA (9a ed.)

Ensminger, Margaret E., et al. The Inner City and Drug Use: Initial Findings from an Epidemiological Study. [s.n.], 1997.