APA (7th ed.) Citation

Hochfelder, D. (2012). The telegraph in America: 1832 - 1920. Johns Hopkins Univ. Press.

Chicago Style (17th ed.) Citation

Hochfelder, David. The Telegraph in America: 1832 - 1920. Baltimore, Md: Johns Hopkins Univ. Press, 2012.

MLA (9th ed.) Citation

Hochfelder, David. The Telegraph in America: 1832 - 1920. Johns Hopkins Univ. Press, 2012.