Child labor:
APA Citation
White House Conference on Child Health and Protection. Sect. III: Education and training., Davis, A. Sophia., Mathews, E. Nathalie. (1932). Child labor. New York: The Century co.
MLA Citation
White House Conference on Child Health and Protection. Sect. III: Education and training, Anne Sophia Davis, and Ellen Nathalie Mathews. Child Labor. New York: The Century co, 1932.
Warning: These citations may not always be complete (especially for serials).