Cites del registre

Cita APA (7th ed.)
Palen, J. J. (1992). The urban world (4th ed.). McGraw - Hill.
Cita Chicago (17th ed.)
Palen, John J. The Urban World. 4th ed. New York: McGraw - Hill, 1992.
Cita MLA (9th ed.)
Palen, John J. The Urban World. 4th ed. McGraw - Hill, 1992.
Atenció: Aquestes cites poden no estar 100% correctes.