Issues #57 and #59 cause Spencer said today

README.md

@@ -130,7 +130,7 @@ diffPeaks | *_diffbind.csv | Use only for replicated samples; CSV file of peaks
 If you find an error, please let the [BICF](mailto:BICF@UTSouthwestern.edu) know and we will add it here.
 
 ## Citation
-Please cite individual programs and versions used [HERE](docs/references.txt), and the pipeline doi:[10.5281/zenodo.2648844](https://doi.org/10.5281/zenodo.2648844). Please cite in publications: Pipeline was developed by BICF from funding provided by Cancer Prevention and Research Institute of Texas (RP150596).
+Please cite individual programs and versions used [HERE](docs/references.md), and the pipeline doi:[10.5281/zenodo.2648844](https://doi.org/10.5281/zenodo.2648844). Please cite in publications: Pipeline was developed by BICF from funding provided by Cancer Prevention and Research Institute of Texas (RP150596).
 
 ## Programs and Versions
   + python/3.6.1-2-anaconda [website](https://www.anaconda.com/download/#linux) [citation](docs/references.txt)

docs/references.md

@@ -54,4 +54,7 @@
 17. **BICF ChIP-seq Analysis Workflow**:
   * Spencer D. Barnes, Holly Ruess, Beibei Chen, & Venkat S. Malladi. (2019). BICF ChIP-seq Analysis Workflow (publish_1.0.5). Zenodo. doi:[10.5281/zenodo.2648844](https://doi.org/10.5281/zenodo.2648844)
 
+18. **Nextflow**:
+  * Di Tommaso, P., Chatzou, M., Floden, E. W., Barja, P. P., Palumbo, E., & Notredame, C. (2017). Nextflow enables reproducible computational workflows. Nature biotechnology, 35(4), 316.
+
 Please cite in publications: Pipeline was developed by BICF from funding provided by **Cancer Prevention and Research Institute of Texas (RP150596)**.