Citazione Stile APA (7a Edizione)

Friedmann, J., & Wulff, R. (1975). The urban transition: Comparative studies of newly industrializing societies. E. Arnold.

Citazione stile Chigago Style (17a edizione)

Friedmann, John, e Robert Wulff. The Urban Transition: Comparative Studies of Newly Industrializing Societies. London: E. Arnold, 1975.

Citatione MLA (9a ed.)

Friedmann, John, e Robert Wulff. The Urban Transition: Comparative Studies of Newly Industrializing Societies. E. Arnold, 1975.