Cita APA (7a ed.)

O'Sullivan, A. (2007). Urban economics (6th ed.). McGraw-Hill/Irwin.

Cita Chicago Style (17a ed.)

O'Sullivan, Arthur. Urban Economics. 6th ed. Boston: McGraw-Hill/Irwin, 2007.

Cita MLA (9a ed.)

O'Sullivan, Arthur. Urban Economics. 6th ed. McGraw-Hill/Irwin, 2007.