Cita APA (7a ed.)

Gilbert, N., & VanVoorhis, R. (2003). Changing patterns of social protection. International social security series.

Cita Chicago Style (17a ed.)

Gilbert, Neil, y Rebecca VanVoorhis. "Changing Patterns of Social Protection." International Social Security Series 2003.

Cita MLA (8a ed.)

Gilbert, Neil, y Rebecca VanVoorhis. "Changing Patterns of Social Protection." International Social Security Series, 2003.