Cita APA (7th ed.)
Mellor, R. E. H., & Smith, E. A. (1979). Europe: A geographical survey of the continent. Columbia University Press.
Cita Chicago (17th ed.)
Mellor, Roy E. H., i Edward Alistair Smith. Europe: A Geographical Survey of the Continent. New York: Columbia University Press, 1979.
Cita MLA (9th ed.)
Mellor, Roy E. H., i Edward Alistair Smith. Europe: A Geographical Survey of the Continent. Columbia University Press, 1979.
Atenció: Aquestes cites poden no estar 100% correctes.