APA (7th ed.) Citation

O'Brien, P. (1977). The new economic history of the railways / Patrick O'Brien. Croom Helm.

Chicago Style (17th ed.) Citation

O'Brien, Patrick. The New Economic History of the Railways / Patrick O'Brien. London: Croom Helm, 1977.

MLA (9th ed.) Citation

O'Brien, Patrick. The New Economic History of the Railways / Patrick O'Brien. Croom Helm, 1977.

Warning: These citations may not always be 100% accurate.