APA (7th ed.) Citation

Louis, W. R., Low, A. M., Canny, N., & Marshall, P. J. (1998). The Oxford history of the British Empire. Oxford University Press.

Chicago Style (17th ed.) Citation

Louis, William Roger, Alaine M. Low, Nicholas Canny, and P. J. Marshall. The Oxford History of the British Empire. Oxford ; New York: Oxford University Press, 1998.

MLA (8th ed.) Citation

Louis, William Roger, et al. The Oxford History of the British Empire. Oxford University Press, 1998.