Cita APA (7a ed.)

Blank, R. M., Card, D. E., & Robins, P. K. (1999). Financial incentives for increasing work and income among low-income families. National Bureau of Economic Research.

Cita Chicago Style (17a ed.)

Blank, Rebecca M., David E. Card, y Philip K. Robins. Financial Incentives for Increasing Work and Income Among Low-income Families. Cambridge, MA: National Bureau of Economic Research, 1999.

Cita MLA (9a ed.)

Blank, Rebecca M., et al. Financial Incentives for Increasing Work and Income Among Low-income Families. National Bureau of Economic Research, 1999.