Gallardo-Peralta, L.P., Cuadra-Peralta, A. and Veloso-Besio, C. 2018. Validation of a Brief Index of Religiosity and Spirituality Among Elderly People. Revista de Psicología. 27, 1 (Sep. 2018), pp. 1–13. DOI:https://doi.org/10.5354/0719-0581.2018.50736.