APA (7th ed.) Citation

Bellm, S., Lower, J., Weigold, E., Bray, I., Fursa, D., Bartschat, K., . . . Madison, D. (2008). Absolute cross sections for the ionization-excitation of helium by electon impact. American Physical Society.

Chicago Style (17th ed.) Citation

Bellm, S., J. Lower, E. Weigold, Igor Bray, Dmitry Fursa, K. Bartschat, A. Harris, and D. Madison. Absolute Cross Sections for the Ionization-excitation of Helium by Electon Impact. American Physical Society, 2008.

MLA (9th ed.) Citation

Bellm, S., et al. Absolute Cross Sections for the Ionization-excitation of Helium by Electon Impact. American Physical Society, 2008.