Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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