MLA

Chaudhry, Afzal, and Hans Kleinpoppen. Analysis of Excitation and Ionization of Atoms and Molecules by Electron Impact. Springer New York, 2011.

APA

Chaudhry, A., & Kleinpoppen, H. (2011). Analysis of Excitation and Ionization of Atoms and Molecules by Electron Impact. Springer New York.

Chicago

Chaudhry, Afzal, and Hans Kleinpoppen. Analysis of Excitation and Ionization of Atoms and Molecules by Electron Impact. : Springer New York, 2011.