Contract Air Service Directory, 07/28/1980, bulletin #80-BUL-138

Chicago citation style
Federal Mediation and Conciliation Service. 6/23/1947-. Contract Air Service Directory, 07/28/1980, bulletin #80-BUL-138. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/17360118. (Accessed June 24, 2018.)
APA citation style
Federal Mediation and Conciliation Service. 6/23/1947-, Contract Air Service Directory, 07/28/1980, bulletin #80-BUL-138. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/17360118
MLA citation style
Federal Mediation and Conciliation Service. 6/23/1947-. Retrieved from the Digital Public Library of America <http://catalog.archives.gov/id/17360118>.
Note: These citations are programmatically generated and may be incomplete.