Occupations of federal blue-collar workers

Chicago citation style
Occupations of federal blue-collar workers. 1959-. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/002564679. (Accessed December 12, 2018.)
APA citation style
(1959-) Occupations of federal blue-collar workers. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/002564679
MLA citation style
Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/002564679>.
Note: These citations are programmatically generated and may be incomplete.