Citation
If you publish research that uses PAUDA you have to cite it as follows:
Huson, D. H., & Xie, C. (2013). A poor man's BLASTX - high-throughput metagenomic protein database search using PAUDA. Bioinformatics, 29(17), 2180-2182. https://doi.org/10.1093/bioinformatics/btt254