O'Brien, P. (1977). The new economic history of the railways / Patrick O'Brien. Croom Helm.
Chicago Style (17th ed.) CitationO'Brien, Patrick. The New Economic History of the Railways / Patrick O'Brien. London: Croom Helm, 1977.
MLA (9th ed.) CitationO'Brien, Patrick. The New Economic History of the Railways / Patrick O'Brien. Croom Helm, 1977.
Warning: These citations may not always be 100% accurate.