APA (7th ed.) Citation

United States. Department of State. (1920). Revision of trade information sheets to accompany commercial letters. U.S. GPO.

Chicago Style (17th ed.) Citation

United States. Department of State. Revision of Trade Information Sheets to Accompany Commercial Letters. Washington: U.S. GPO, 1920.

MLA (9th ed.) Citation

United States. Department of State. Revision of Trade Information Sheets to Accompany Commercial Letters. U.S. GPO, 1920.

Warning: These citations may not always be 100% accurate.