Cita APA (7a ed.)

Anderson, P. M., & Levine, P. B. (1999). Child care and mothers' employment decisions. National Bureau of Economic Research.

Cita Chicago Style (17a ed.)

Anderson, Patricia M., y Phillip B. Levine. Child Care and Mothers' Employment Decisions. Cambridge, MA: National Bureau of Economic Research, 1999.

Cita MLA (9a ed.)

Anderson, Patricia M., y Phillip B. Levine. Child Care and Mothers' Employment Decisions. National Bureau of Economic Research, 1999.