Cita APA (7th ed.)

O'Sullivan, A. (1996). Urban economics (3rd edition.). Irwin.

Cita Chicago (17th ed.)

O'Sullivan, Arthur. Urban Economics. 3rd edition. Chicago: Irwin, 1996.

Cita MLA (8th ed.)

O'Sullivan, Arthur. Urban Economics. 3rd edition. Irwin, 1996.