APA (7th ed.) Citation

Rutherford, E., Chadwick, J., & Ellis, C. D. (1951). Radiations from radioactive substances. University Press.

Chicago Style (17th ed.) Citation

Rutherford, Ernest, James Chadwick, and C. D. Ellis. Radiations from Radioactive Substances. Cambridge [England]: University Press, 1951.

MLA (9th ed.) Citation

Rutherford, Ernest, et al. Radiations from Radioactive Substances. University Press, 1951.