APA (7th ed.) Citation
Witherow, G. A. (1940). Summary of foreign trade of the United States, calendar year 1939. U.S. Govt. Print. Off..
Chicago Style (17th ed.) Citation
Witherow, Grace A. Summary of Foreign Trade of the United States, Calendar Year 1939. Washington: U.S. Govt. Print. Off., 1940.
MLA (9th ed.) Citation
Witherow, Grace A. Summary of Foreign Trade of the United States, Calendar Year 1939. U.S. Govt. Print. Off., 1940.
Warning: These citations may not always be 100% accurate.