APA (7th ed.) Citation

Clarke, R. W. B. (1941). Britain's blockade. Oxford University Press.

Chicago Style (17th ed.) Citation

Clarke, Richard William Barnes. Britain's Blockade. New York, Toronto: Oxford University Press, 1941.

MLA (9th ed.) Citation

Clarke, Richard William Barnes. Britain's Blockade. Oxford University Press, 1941.

Warning: These citations may not always be 100% accurate.