Williamson, J. (1940). The Life and Growth of the British Empire. Oxford University Press.
Chicago-Zitierstil (17. Ausg.)Williamson, J.A. The Life and Growth of the British Empire. London [u.a.]: Oxford University Press, 1940.
MLA-Zitierstil (8. Ausg.)Williamson, J.A. The Life and Growth of the British Empire. Oxford University Press, 1940.
警告：这些引文格式不一定是100％准确.