The Modern world at work.
APA Citation
United States. National Youth Administration. (1940). The Modern world at work. [Washington, D.C.]: [Federal Security Agency, National Youth Administration; for sale by the Supt. of Docs.].
MLA Citation
United States. National Youth Administration. The Modern World At Work. [Washington, D.C.]: [Federal Security Agency, National Youth Administration; for sale by the Supt. of Docs.], 1940.
Warning: These citations may not always be complete (especially for serials).