Cita APA (7th ed.)

Sassen, S. (2012). Cities in a world economy (4th ed.). SAGE/Pine Forge.

Cita Chicago (17th ed.)

Sassen, Saskia. Cities in a World Economy. 4th ed. Thousand Oaks, Calif.: SAGE/Pine Forge, 2012.

Cita MLA (8th ed.)

Sassen, Saskia. Cities in a World Economy. 4th ed. SAGE/Pine Forge, 2012.