APA (7th ed.) Citation

O'Sullivan, A. (1993). Urban economics (2. ed.). Irwin.

Chicago Style (17th ed.) Citation

O'Sullivan, Arthur. Urban Economics. 2. ed. Homewood, Ill. <<[u.a.]>>: Irwin, 1993.

MLA (9th ed.) Citation

O'Sullivan, Arthur. Urban Economics. 2. ed. Irwin, 1993.