Cita APA (7a ed.)

Castells, M., & Portes, A. World underneath: The origins, dynamics, and effects of the informal economy.

Cita Chicago Style (17a ed.)

Castells, Manuel, y Alejandro Portes. World Underneath: The Origins, Dynamics, and Effects of the Informal Economy.

Cita MLA (9a ed.)

Castells, Manuel, y Alejandro Portes. World Underneath: The Origins, Dynamics, and Effects of the Informal Economy.