Cita APA (7th ed.)

(1961). Megalopolis: The urbanized northeastern. M.I.T. Press.

Cita Chicago (17th ed.)

Megalopolis: The Urbanized Northeastern. Cambridge: M.I.T. Press, 1961.

Cita MLA (9th ed.)

Megalopolis: The Urbanized Northeastern. M.I.T. Press, 1961.

Atenció: Aquestes cites poden no estar 100% correctes.