APA (7th ed.) Citation

Ethier, W. J. (1995). Modern international economics: Study guide (3rd ed.). W.W. Norton.

Chicago Style (17th ed.) Citation

Ethier, Wilfred J. Modern International Economics: Study Guide. 3rd ed. New York [etc.]: W.W. Norton, 1995.

MLA (9th ed.) Citation

Ethier, Wilfred J. Modern International Economics: Study Guide. 3rd ed. W.W. Norton, 1995.