Hochfelder. The Telegraph in America, 1832–1920. Johns Hopkins University Press.
Chicago Style (17th ed.) CitationHochfelder. The Telegraph in America, 1832–1920. Johns Hopkins University Press.
MLA (9th ed.) CitationHochfelder. The Telegraph in America, 1832–1920. Johns Hopkins University Press.
Warning: These citations may not always be 100% accurate.