wrapping lines in the citations section of the README file

diff --git a/README b/README
index b413c68..48255ce 100644
--- a/README
+++ b/README
@@ -385,13 +385,20 @@ V) comparison to MACS and Other Tools


 * CITATIONS
-This pipeline is open source under the MIT license, and researchers are welcome to use it.
-We will appreciate if users can let us know if they found bugs or could provide feedback about its use and experience using RACS.
-Please cite our paper (CITE_RACS) when ever you are using RACS.
+
+This pipeline is open source under the MIT license, and researchers are welcome
+to use it.
+We will appreciate if users can let us know if they found bugs or could provide
+feedback about its use and experience using RACS.  Please cite our paper
+(CITE_RACS) when ever you are using RACS.


 Publications where RACS has been used:
-- "The Med31 conserved component of the divergent Mediator complex in Tetrahymena thermophila participates in developmental regulation", Garg et al., Current Biology in press.
+- "The Med31 conserved component of the divergent Mediator complex in
+  Tetrahymena thermophila participates in developmental regulation",
+  Garg et al., Current Biology in press.

-- "The bromodomain-containing protein Ibd1 links multiple chromatin-related protein complexes to highly expressed genes in Tetrahymena thermophila", Saettone et al, Epigenetics & Chromatin (2018).
+- "The bromodomain-containing protein Ibd1 links multiple chromatin-related
+  protein complexes to highly expressed genes in Tetrahymena thermophila",
+  Saettone et al, Epigenetics & Chromatin (2018).