Turnbull, L. (1853). The electro-magnetic telegraph: With an historical account of its rise, progress, and present condition : also, practical suggestions in regard to insulation, and protection from the effects of lightning : together with an appendix, containing several important telegraphic decisions and laws (2nd ed., rev. and improved.). A. Hart.
Chicago Style (17th ed.) CitationTurnbull, Laurence. The Electro-magnetic Telegraph: With an Historical Account of Its Rise, Progress, and Present Condition : Also, Practical Suggestions in Regard to Insulation, and Protection from the Effects of Lightning : Together with an Appendix, Containing Several Important Telegraphic Decisions and Laws. 2nd ed., rev. and improved. Philadelphia [Pa.]: A. Hart, 1853.
MLA (9th ed.) CitationTurnbull, Laurence. The Electro-magnetic Telegraph: With an Historical Account of Its Rise, Progress, and Present Condition : Also, Practical Suggestions in Regard to Insulation, and Protection from the Effects of Lightning : Together with an Appendix, Containing Several Important Telegraphic Decisions and Laws. 2nd ed., rev. and improved. A. Hart, 1853.