The world of cities

MLA

Orum, Anthony M, and Xiangming Chen. The World of Cities : Places In Comparative and Historical Perspective. Malden, Mass.: Blackwell Pub., 2003.

APA

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

Chicago

Orum, Anthony M., and Xiangming Chen. The World of Cities: Places In Comparative and Historical Perspective. Malden, Mass.: Blackwell Pub., 2003.