Cita APA (7a ed.)

Maps.com (Firm). (2000). Chicago Central City Map. Maps.com.

Cita Chicago Style (17a ed.)

Maps.com (Firm). Chicago Central City Map. [Place of publication not identified]: Maps.com, 2000.

Cita MLA (8a ed.)

Maps.com (Firm). Chicago Central City Map. Maps.com, 2000.