Cita APA (7th ed.)

(1988). Two centuries of American planning. Mansell.

Cita Chicago (17th ed.)

Two Centuries of American Planning. London: Mansell, 1988.

Cita MLA (9th ed.)

Two Centuries of American Planning. Mansell, 1988.

Atenció: Aquestes cites poden no estar 100% correctes.