Citazione Stile APA (7a Edizione)

Walker, R. A. (1950). The planning function in urban government (2nd ed.). The University of Chicago Press.

Citazione stile Chigago Style (17a edizione)

Walker, Robert Averill. The Planning Function in Urban Government. 2nd ed. Chicago: The University of Chicago Press, 1950.

Citatione MLA (9a ed.)

Walker, Robert Averill. The Planning Function in Urban Government. 2nd ed. The University of Chicago Press, 1950.