Cita APA (7a ed.)

Collins, W. J. (2001). The labor market impact of state-level anti-discrimination laws, 1940-1960. National Bureau of Economic Research.

Cita Chicago Style (17a ed.)

Collins, William J. The Labor Market Impact of State-level Anti-discrimination Laws, 1940-1960. Cambridge, MA: National Bureau of Economic Research, 2001.

Cita MLA (9a ed.)

Collins, William J. The Labor Market Impact of State-level Anti-discrimination Laws, 1940-1960. National Bureau of Economic Research, 2001.