Cita APA (7th ed.)

Duffy, M. C. (2003). Electric railways 1880-1990. Institution of Engineering and Technology. https://doi.org/10.1049/PBHT031E

Cita Chicago (17th ed.)

Duffy, M. C. Electric Railways 1880-1990. London, United Kingdom: Institution of Engineering and Technology, 2003. https://doi.org/10.1049/PBHT031E.

Cita MLA (9th ed.)

Duffy, M. C. Electric Railways 1880-1990. Institution of Engineering and Technology, 2003. https://doi.org/10.1049/PBHT031E.