APA (7th ed.) Citation

Åberg, T. (1969). Multiple excitation of a many-electron system by photon and electron impact in the sudden approximation. Suomalainen Tiedeakatemia.

Chicago Style (17th ed.) Citation

Åberg, Teijo. Multiple Excitation of a Many-electron System by Photon and Electron Impact in the Sudden Approximation. Helsinki: Suomalainen Tiedeakatemia, 1969.

MLA (8th ed.) Citation

Åberg, Teijo. Multiple Excitation of a Many-electron System by Photon and Electron Impact in the Sudden Approximation. Suomalainen Tiedeakatemia, 1969.