Forbes, R. J., & O'Beirne, D. R. (1957). The technical development of the Royal Dutch/Shell 1890-1940 / by R.J. Forbes and D.R. O'Beirne. Brill.
Chicago Style (17th ed.) CitationForbes, R. J., and D. R. O'Beirne. The Technical Development of the Royal Dutch/Shell 1890-1940 / by R.J. Forbes and D.R. O'Beirne. Brill, 1957.
MLA (9th ed.) CitationForbes, R. J., and D. R. O'Beirne. The Technical Development of the Royal Dutch/Shell 1890-1940 / by R.J. Forbes and D.R. O'Beirne. Brill, 1957.
Warning: These citations may not always be 100% accurate.