APA (7th ed.) Citation

Witherow, G. A. (1939). Foreign trade of the United States, calendar year 1938. Trade Promotion Series. United States. Bureau of Foreign & Domestic Commerce, 198, 1.

Chicago Style (17th ed.) Citation

Witherow, G. A. "Foreign Trade of the United States, Calendar Year 1938." Trade Promotion Series. United States. Bureau of Foreign & Domestic Commerce 198 (1939): 1.

MLA (9th ed.) Citation

Witherow, G. A. "Foreign Trade of the United States, Calendar Year 1938." Trade Promotion Series. United States. Bureau of Foreign & Domestic Commerce, vol. 198, 1939, p. 1.