Cita APA (7a ed.)

Duggan, M. G., & Imberman, S. A. (2009). Why are the disability rolls skyrocketing? The contribution of population characteristics, economic conditions, and program generosity. University of Chicago Press.

Cita Chicago Style (17a ed.)

Duggan, Mark G., y Scott A. Imberman. Why Are the Disability Rolls Skyrocketing? The Contribution of Population Characteristics, Economic Conditions, and Program Generosity. University of Chicago Press, 2009.

Cita MLA (9a ed.)

Duggan, Mark G., y Scott A. Imberman. Why Are the Disability Rolls Skyrocketing? The Contribution of Population Characteristics, Economic Conditions, and Program Generosity. University of Chicago Press, 2009.