APA (7th ed.) Citation

Usher, D. (1981). The Economic prerequisite to democracy. Columbia University Press [etc.].

Chicago Style (17th ed.) Citation

Usher, Dan. The Economic Prerequisite to Democracy. New York [etc.]: Columbia University Press [etc.], 1981.

MLA (9th ed.) Citation

Usher, Dan. The Economic Prerequisite to Democracy. Columbia University Press [etc.], 1981.