@article{nardi_2016,  title={Mourning and Melancholia, Sigmund Freud (1917) – The 100-year anniversary of the publication of this landmark essay about depression},  volume={65},  ISSN={0047-2085},  url={https://doi.org/10.1590/0047-2085000000137},  DOI={10.1590/0047-2085000000137},  number={4},  journal={Jornal Brasileiro de Psiquiatria},  publisher={Instituto de Psiquiatria da Universidade Federal do Rio de Janeiro},  author={Nardi, Antonio E.},  year={2016},  month={Oct},  pages={307–308} }