Child workers in America /
Katharine DuPre Lumpkin and Dorothy Wolff Douglas.
APA Citation
Lumpkin, K. DuPre., Douglas, D. W. (Dorothy Wolff). (1937). Child workers in America. 2nd ed. New York: International Publishers.
MLA Citation
Lumpkin, Katharine DuPre, 1897-, and Dorothy W. (Dorothy Wolff) Douglas. Child Workers In America. 2nd ed. New York: International Publishers, 1937.
Warning: These citations may not always be complete (especially for serials).