Cita APA

Walker, T. A. (1969). The Severn Tunnel: Its construction and difficulties, 1872-1887 (3rd ed. [reprinted].). Kingsmead Reprints.

Citación estilo Chicago

Walker, Thomas Andrew. The Severn Tunnel: Its Construction and Difficulties, 1872-1887. 3rd ed. [reprinted]. Bath: Kingsmead Reprints, 1969.

Cita MLA

Walker, Thomas Andrew. The Severn Tunnel: Its Construction and Difficulties, 1872-1887. 3rd ed. [reprinted]. Kingsmead Reprints, 1969.