Cita APA (7a ed.)

American Society of Planning Officials & American Planning Association. (1969). Planning. American Planning Association.

Cita Chicago Style (17a ed.)

American Society of Planning Officials y American Planning Association. Planning. [Chicago, Ill.: American Planning Association, 1969.

Cita MLA (8a ed.)

American Society of Planning Officials y American Planning Association. Planning. American Planning Association, 1969.