Cita APA (7th ed.)
Downs, A. (1957). An economic theory of democracy. Harper & Row.
Cita Chicago (17th ed.)
Downs, Anthony. An Economic Theory of Democracy. New York: Harper & Row, 1957.
Cita MLA (9th ed.)
Downs, Anthony. An Economic Theory of Democracy. Harper & Row, 1957.
Atenció: Aquestes cites poden no estar 100% correctes.