Uhl, X. M. (2018). The railroad, the telegraph, and other technologies. Britannica Educational Publishing in Association with Rosen Educational Services.
Cita Chicago Style (17a ed.)Uhl, Xina M. The Railroad, the Telegraph, and Other Technologies. New York, NY: Britannica Educational Publishing in Association with Rosen Educational Services, 2018.
Cita MLA (8a ed.)Uhl, Xina M. The Railroad, the Telegraph, and Other Technologies. Britannica Educational Publishing in Association with Rosen Educational Services, 2018.
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