Fix JOSS paper bibliography formatting issues
Fix JOSS paper bibliography formatting issues

ScottKolo/suitesparse-matrix-collection-website,ScottKolo/suitesparse-matrix-collection-website,ScottKolo/UFSMC-Web,ScottKolo/suitesparse-matrix-collection-website,ScottKolo/UFSMC-Web,ScottKolo/suitesparse-matrix-collection-website,ScottKolo/UFSMC-Web,ScottKolo/suitesparse-matrix-collection-website