APA

Berglund A., . (1929). The tariff on iron and steel. Washington, D.C: The Brookings Institution.

Chicago

Berglund Abraham, . 1929. The tariff on iron and steel. Washington, D.C: The Brookings Institution.

Harvard

Berglund A., . (1929). The tariff on iron and steel. Washington, D.C: The Brookings Institution.

MLA

Berglund Abraham, . The tariff on iron and steel. Washington, D.C: The Brookings Institution. 1929.