How to Make the Citation of this Document using the INPE Standard (BibINPE Format)
HAJRA, R.; FRANCO, A. M. S.; ECHER, E.; BOLZAN, M. J. A. Long-Term Variations of the Geomagnetic Activity: A Comparison Between the Strong and Weak Solar Activity Cycles and Implications for the Space Climate. Journal of Geophysical Research: Space Physics, v. 126, n. 4, p. e2020JA028695, Apr. 2021. DOI: <10.1029/2020JA028695>. Available from: <http://doi.org/10.1029/2020JA028695>.
How to Make the In-Text Citation (by author/year)
... as proposed by Hajra et al. (2021).
... may be found in the literature (HAJRA et al., 2021).