Tariff Information, 1921. Hearings on Free List. No. 32.

MLA

United States. Tariff Information, 1921. Hearings on Free List. No. 32. [Place of publication not identified] : [publisher not identified], 1920-1921.

APA

United States. (1920). Tariff Information, 1921. Hearings on Free List. No. 32. [Place of publication not identified] : [publisher not identified].

Chicago

United States. Tariff Information, 1921. Hearings on Free List. No. 32. [Place of publication not identified] : [publisher not identified], 1920-1921.