Stephenson, G., Stephenson, R., & Locke, J. (1830). Observations on the comparative merits of locomotive & fixed engines, as applied to railways: Being a reply to the report of Mr. James Walker, to the Directors of the Liverpool and Manchester Railway. Wales and Baines [u.a.].
Chicago Style (17th ed.) CitationStephenson, George, Robert Stephenson, and Joseph Locke. Observations on the Comparative Merits of Locomotive & Fixed Engines, as Applied to Railways: Being a Reply to the Report of Mr. James Walker, to the Directors of the Liverpool and Manchester Railway. Liverpool: Wales and Baines [u.a.], 1830.
MLA (9th ed.) CitationStephenson, George, et al. Observations on the Comparative Merits of Locomotive & Fixed Engines, as Applied to Railways: Being a Reply to the Report of Mr. James Walker, to the Directors of the Liverpool and Manchester Railway. Wales and Baines [u.a.], 1830.