APA (7th ed.) Citation

Downs, A. (1957). An Economic theory of democracy. Harper Collins.

Chicago Style (17th ed.) Citation

Downs, Anthony. An Economic Theory of Democracy. New York, N.Y.: Harper Collins, 1957.

MLA (9th ed.) Citation

Downs, Anthony. An Economic Theory of Democracy. Harper Collins, 1957.

Warning: These citations may not always be 100% accurate.