The Oxford history of the British Empire. Volume 4, The twentieth century
MLA
Brown, Judith M., and William Roger Louis. The Oxford History of the British Empire. Oxford: Oxford University Press, 1999
APA, 7th edition
Brown, J. M., & Louis, W. Roger. (1999). The Oxford history of the British Empire. Oxford: Oxford University Press
Chicago, 17th edition
Brown, Judith M., and William Roger Louis. The Oxford history of the British Empire. Oxford: Oxford University Press, 1999