Industrial series, no. 1[-7]
APA Citation
United States. Children's Bureau. (191521). Industrial series, no. 1[-7]. Washington: U.S. Govt. print. off..
MLA Citation
United States. Children's Bureau. Industrial Series, No. 1[-7]. Washington: U.S. Govt. print. off., 191521.
Warning: These citations may not always be complete (especially for serials).