Cita APA (7a ed.)

Sahai, Y., Becker Guedes, F., Fagundes, P. R., Abreu, A. J. d., Jesus, R. d., Pillat, V. G., . . . Otsuka, Y. (2009). Observations of the F-region ionospheric irregularities in the South American sector during the October 2003 "Halloween Storms".

Cita Chicago Style (17a ed.)

Sahai, Y., et al. Observations of the F-region Ionospheric Irregularities in the South American Sector During the October 2003 "Halloween Storms". 2009.

Cita MLA (8a ed.)

Sahai, Y., et al. Observations of the F-region Ionospheric Irregularities in the South American Sector During the October 2003 "Halloween Storms". 2009.