Bennett, D. (2004). Metro: The story of the underground railway. Octopus Pub.
Cita Chicago (17th ed.)Bennett, David. Metro: The Story of the Underground Railway. London: Octopus Pub, 2004.
Cita MLA (9th ed.)Bennett, David. Metro: The Story of the Underground Railway. Octopus Pub, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.