Cita APA (7th ed.)
Simonds, J. O. (1994). Garden Cities 21: Creating a Livable Urban Environment. McGraw-Hill.
Cita Chicago (17th ed.)
Simonds, John Ormsbee. Garden Cities 21: Creating a Livable Urban Environment. New York: McGraw-Hill, 1994.
Cita MLA (9th ed.)
Simonds, John Ormsbee. Garden Cities 21: Creating a Livable Urban Environment. McGraw-Hill, 1994.
Atenció: Aquestes cites poden no estar 100% correctes.