Cita APA (7a ed.)

Moustafa Moussa, H. R. (1967). Excitation of helium by fast electrons and polarization of the resulting radiation. Drukkerij "Luctor et Emergo".

Cita Chicago Style (17a ed.)

Moustafa Moussa, Hammam Rashad. Excitation of Helium by Fast Electrons and Polarization of the Resulting Radiation. Leiden: Drukkerij "Luctor et Emergo", 1967.

Cita MLA (8a ed.)

Moustafa Moussa, Hammam Rashad. Excitation of Helium by Fast Electrons and Polarization of the Resulting Radiation. Drukkerij "Luctor et Emergo", 1967.