How to Make the Citation of this Document using the INPE Standard (BibINPE Format)
HAJRA, R.; ECHER, E.; TSURUTANI, B. T.; GONZALEZ, W. D. Solar cycle dependence of High-Intensity Long-Duration Continuous AE Activity (HILDCAA) events. Journal of Geophysical Research: Space Physics, v. 118, n. 9, p. 5626-5638, Sep. 2013. DOI: <10.1002/jgra.50530>. Available from: <http://doi.org/10.1002/jgra.50530>.
How to Make the In-Text Citation (by author/year)
... as proposed by Hajra et al. (2013).
... may be found in the literature (HAJRA et al., 2013).