4. UAL 175 - (b) Voice Recordings - (3) ZBW - b Boston Sector 46R - 4 ZBW 134 SEC46R 1217-1233 UTC.mp3

Chicago citation style
Department of Transportation. Federal Aviation Administration. 1967-. 4. UAL 175 - (b) Voice Recordings - (3) ZBW - b Boston Sector 46R - 4 ZBW 134 SEC46R 1217-1233 UTC.mp3. 2001-01-01/2004-12-31. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/7598109. (Accessed June 21, 2018.)
APA citation style
Department of Transportation. Federal Aviation Administration. 1967-, (2001-01-01/2004-12-31) 4. UAL 175 - (b) Voice Recordings - (3) ZBW - b Boston Sector 46R - 4 ZBW 134 SEC46R 1217-1233 UTC.mp3. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/7598109
MLA citation style
Department of Transportation. Federal Aviation Administration. 1967-. Retrieved from the Digital Public Library of America <http://catalog.archives.gov/id/7598109>.
Note: These citations are programmatically generated and may be incomplete.