APA (7th ed.) Citation

Wikner, E. G., & Das, T. F. (1957). Variational calculations of dipole polarizabilities of helium-like ions. Physical Review., 107, 497.

Chicago Style (17th ed.) Citation

Wikner, E. G., and T. F. Das. "Variational Calculations of Dipole Polarizabilities of Helium-like Ions." Physical Review. 107 (1957): 497.

MLA (9th ed.) Citation

Wikner, E. G., and T. F. Das. "Variational Calculations of Dipole Polarizabilities of Helium-like Ions." Physical Review., vol. 107, 1957, p. 497.