Cita APA (7a ed.)

Evans, W. N., Moore, T. J., & Garthwaite, C. (2012). The White/Black Educational Gap, Stalled Progress, and the Long Term Consequences of the Emergence of Crack Cocaine Markets. National Bureau of Economic Research.

Cita Chicago Style (17a ed.)

Evans, William N., Timothy J. Moore, y Craig Garthwaite. The White/Black Educational Gap, Stalled Progress, and the Long Term Consequences of the Emergence of Crack Cocaine Markets. National Bureau of Economic Research, 2012.

Cita MLA (9a ed.)

Evans, William N., et al. The White/Black Educational Gap, Stalled Progress, and the Long Term Consequences of the Emergence of Crack Cocaine Markets. National Bureau of Economic Research, 2012.