United States. Federal Communications Commission. (1936). Operating data from monthly reports of telegraph carriers. [s.n.].
Chicago Style (17th ed.) CitationUnited States. Federal Communications Commission. Operating Data from Monthly Reports of Telegraph Carriers. [Washington]: [s.n.], 1936.
MLA (9th ed.) CitationUnited States. Federal Communications Commission. Operating Data from Monthly Reports of Telegraph Carriers. [s.n.], 1936.
Warning: These citations may not always be 100% accurate.