Cita APA (7th ed.)

NORTHAM, R. M. (1979). Urban geography. John Wiley.

Cita Chicago (17th ed.)

NORTHAM, Ray M. Urban Geography. New York: John Wiley, 1979.

Cita MLA (9th ed.)

NORTHAM, Ray M. Urban Geography. John Wiley, 1979.

Atenció: Aquestes cites poden no estar 100% correctes.