APA

Butler J. R. M., . (1949). A history of England, 1815-1918. London: Oxford University Press.

Chicago

Butler James Ramsay Montagu, . 1949. A history of England, 1815-1918. London: Oxford University Press.

Harvard

Butler J. R. M., . (1949). A history of England, 1815-1918. London: Oxford University Press.

MLA

Butler James Ramsay Montagu, . A history of England, 1815-1918. London: Oxford University Press. 1949.