APA (7th ed.) Citation

Richardson, J. D. (1991). U.S. trade policy in the 1980s: Turns -- and roads not taken. NBER.

Chicago Style (17th ed.) Citation

Richardson, John David. U.S. Trade Policy in the 1980s: Turns -- and Roads Not Taken. Cambridge, Mass: NBER, 1991.

MLA (9th ed.) Citation

Richardson, John David. U.S. Trade Policy in the 1980s: Turns -- and Roads Not Taken. NBER, 1991.