APA (7th ed.) Citation

(1922). Trade of U.S. with world, 1920-1921: Part 1. Imports; imports of merchandise into U.S. by countries and principal articles during calendar years 1920 and 1921. GPO.

Chicago Style (17th ed.) Citation

Trade of U.S. with World, 1920-1921: Part 1. Imports; Imports of Merchandise into U.S. by Countries and Principal Articles During Calendar Years 1920 and 1921. [Washington]: GPO, 1922.

MLA (9th ed.) Citation

Trade of U.S. with World, 1920-1921: Part 1. Imports; Imports of Merchandise into U.S. by Countries and Principal Articles During Calendar Years 1920 and 1921. GPO, 1922.