APA

Geer T., . (1971). An oligopoly: the world coffee economy and stabilization schemes. New York: Dunellen.

Chicago

Geer Thomas, . 1971. An oligopoly: the world coffee economy and stabilization schemes. New York: Dunellen.

Harvard

Geer T., . (1971). An oligopoly: the world coffee economy and stabilization schemes. New York: Dunellen.

MLA

Geer Thomas, . An oligopoly: the world coffee economy and stabilization schemes. New York: Dunellen. 1971.