(1899). [Vol. 5]: The Locomotive. George and Robert Stephenson; Lives of the Engineers. 1899.
Cita Chicago (17th ed.)[Vol. 5]: The Locomotive. George and Robert Stephenson; Lives of the Engineers. 1899, 1899.
Cita MLA (9th ed.)[Vol. 5]: The Locomotive. George and Robert Stephenson; Lives of the Engineers. 1899, 1899.
Atenció: Aquestes cites poden no estar 100% correctes.