APA (7th ed.) Citation

Orum, A. M., & Chen, X. (2003). The world of cities: Places in comparative and historical perspective. Blackwell.

Chicago Style (17th ed.) Citation

Orum, Anthony M., and Xiangming;Orum Chen. The World of Cities: Places in Comparative and Historical Perspective. Blackwell, 2003.

MLA (9th ed.) Citation

Orum, Anthony M., and Xiangming;Orum Chen. The World of Cities: Places in Comparative and Historical Perspective. Blackwell, 2003.

Warning: These citations may not always be 100% accurate.