http://www.megasoftware.net/citations

MEGA7: Molecular Evolutionary Genetics Analysis version 7.0 for bigger
datasets
Kumar S, Stecher G, and Tamura K (2016)
Molecular Biology and Evolution 33:1870-1874

MEGA6: Molecular Evolutionary Genetics Analysis Version 6.0
Tamura K, Stecher G, Peterson D, Filipski A, and Kumar S (2013)
Molecular Biology and Evolution 30:2725-2729

MEGA-CC: Computing Core of Molecular Evolutionary Genetics Analysis
Program for Automated and Iterative Data Analysis
Kumar S, Stecher G, Peterson D, and Tamura K (2012)
Bioinformatics 28:2685-2686

MEGA5: Molecular Evolutionary Genetic Analysis using Maximum Likelihood,
Evolutionary Distance, and Maximum Parsimony Methods
Tamura K, Peterson D, Peterson N, Stecher G, Nei M, and Kumar S (2011)
Molecular Biology and Evolution 28:2731-2739

MEGA4: Molecular Evolutionary Genetics Analysis (MEGA) software version
4.0
Tamura K, Dudley J, Nei M and Kumar S (2007)
Molecular Biology and Evolution 24:1596-1599