Cita APA (7a ed.)

Kheifets, A. S., & Bray, I. (2003). Convergent calculations of double ionization of helium: From ($γ$,2e) to (e,3e) processes.

Cita Chicago Style (17a ed.)

Kheifets, A. S., y Igor Bray. Convergent Calculations of Double Ionization of Helium: From ($γ$,2e) to (e,3e) Processes. 2003.

Cita MLA (9a ed.)

Kheifets, A. S., y Igor Bray. Convergent Calculations of Double Ionization of Helium: From ($γ$,2e) to (e,3e) Processes. 2003.