APA (7th ed.) Citation

(1949). Oxford Junior Encyclopedia: Volume III: The Universe. Oxford University Press.

Chicago Style (17th ed.) Citation

Oxford Junior Encyclopedia: Volume III: The Universe. London: Oxford University Press, 1949.

MLA (9th ed.) Citation

Oxford Junior Encyclopedia: Volume III: The Universe. Oxford University Press, 1949.

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