Cita APA (7th ed.)
Udy, S. H. (1970). Modernization of Traditional Societies Series. Prentice-Hall.
Cita Chicago (17th ed.)
Udy, Stanley H. Modernization of Traditional Societies Series. Englewood,: Prentice-Hall, 1970.
Cita MLA (9th ed.)
Udy, Stanley H. Modernization of Traditional Societies Series. Prentice-Hall, 1970.
Atenció: Aquestes cites poden no estar 100% correctes.