APA (7th ed.) Citation

Reader, W. J., Weir, J. K. W., & Thomson, E. M. (1971). The Weir group: A centenary history. Weidenfeld.

Chicago Style (17th ed.) Citation

Reader, W. J., James Kenneth Weir Weir, and Elizabeth McClure Thomson. The Weir Group: A Centenary History. London: Weidenfeld, 1971.

MLA (8th ed.) Citation

Reader, W. J., et al. The Weir Group: A Centenary History. Weidenfeld, 1971.