Cita APA (7a ed.)

Kelly, H., Márquez, A., & Pirrera, M. (2004). Characterization of a quarter torus filter for vacuum arc ion flux transmission.

Cita Chicago Style (17a ed.)

Kelly, H., A. Márquez, y M. Pirrera. Characterization of a Quarter Torus Filter for Vacuum Arc Ion Flux Transmission. 2004.

Cita MLA (8a ed.)

Kelly, H., et al. Characterization of a Quarter Torus Filter for Vacuum Arc Ion Flux Transmission. 2004.