APA (7th ed.) Citation

Halpern, O., & Appleton, G. L. (1953). Scattering of slow neutrons by O2 molecules. Physical Review., 90, 869.

Chicago Style (17th ed.) Citation

Halpern, O., and G. L. Appleton. "Scattering of Slow Neutrons by O2 Molecules." Physical Review. 90 (1953): 869.

MLA (9th ed.) Citation

Halpern, O., and G. L. Appleton. "Scattering of Slow Neutrons by O2 Molecules." Physical Review., vol. 90, 1953, p. 869.