Salt, L. E., Boumphrey, G., & Petter, H. M. (1974). Oxford junior encyclopaedia volume III: The universe. London: Oxford University Press.
Chicago Style CitationSalt, Laura E., Geoffrey Boumphrey, and Helen Mary Petter. Oxford Junior Encyclopaedia Volume III: The Universe. London: Oxford University Press, 1974.
MLA CitationSalt, Laura E., Geoffrey Boumphrey, and Helen Mary Petter. Oxford Junior Encyclopaedia Volume III: The Universe. London: Oxford University Press, 1974.
Warning: These citations may not always be 100% accurate.