APA (7th ed.) Citation

Davies, H. A. (1968). An outline history of the world (5. ed.). Oxford Univ. Press.

Chicago Style (17th ed.) Citation

Davies, Herbert A. An Outline History of the World. 5. ed. Oxford: Oxford Univ. Press, 1968.

MLA (9th ed.) Citation

Davies, Herbert A. An Outline History of the World. 5. ed. Oxford Univ. Press, 1968.