APA (7th ed.) Citation

Brady, C., O'Dowd, M., & Walker, B. M. (1989). Ulster: An illustrated history. B.T. Batsford.

Chicago Style (17th ed.) Citation

Brady, Ciaran, Mary O'Dowd, and Brian Mercer Walker. Ulster: An Illustrated History. London: B.T. Batsford, 1989.

MLA (9th ed.) Citation

Brady, Ciaran, et al. Ulster: An Illustrated History. B.T. Batsford, 1989.