APA (7th ed.) Citation

(1940). Child labor. A primer for trade unions and study classes. Workers Education Bureau of America.

Chicago Style (17th ed.) Citation

Child Labor. A Primer for Trade Unions and Study Classes. Workers Education Bureau of America, 1940.

MLA (8th ed.) Citation

Child Labor. A Primer for Trade Unions and Study Classes. Workers Education Bureau of America, 1940.

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