Uniform child labor laws :
proceedings of the Seventh Annual Conference of the National Child Labor Committee.

APA Citation

National Child Labor Committee (U.S.). Conference 1911 : Birmingham, A., American Academy of Political and Social Science. (1911). Uniform child labor laws. Philadelphia: The American Academy of Political and Social Science.

MLA Citation

National Child Labor Committee (U.S.). Conference 1911 : Birmingham, Ala.), and American Academy of Political and Social Science. Uniform Child Labor Laws. Philadelphia: The American Academy of Political and Social Science, 1911.

Warning: These citations may not always be complete (especially for serials).