Add the bibtex key

Author: Guillaume Lemaitre

README.rst

@@ -128,6 +128,20 @@ The different algorithms are presented in the following notebook_.
 
 This is a work in progress. Any comments, suggestions or corrections are welcome.
 
+If you use imbalanced-learn in a scientific publication, we would appreciate
+citations to the following paper::
+
+  @article{lemaitre2016imbalanced,
+  author    = {Guillaume Lema\^{i}tre and
+               Fernando Nogueira and
+               Christos K. Aridas},
+  title     = {Imbalanced-learn: A Python Toolbox to Tackle the Curse of Imbalanced Datasets in Machine Learning},
+  journal   = {CoRR},
+  volume    = {abs/1609.06570},
+  year      = {2016},
+  url       = {http://arxiv.org/abs/1609.06570}
+  }
+
 References:
 -----------
 

doc/about.rst

@@ -9,5 +9,15 @@ Citing imbalanced-learn
 -----------------------
 
 If you use imbalanced-learn in a scientific publication, we would appreciate
-citations to the following paper:
+citations to the following paper::
 
+  @article{lemaitre2016imbalanced,
+  author    = {Guillaume Lema\^{i}tre and
+               Fernando Nogueira and
+               Christos K. Aridas},
+  title     = {Imbalanced-learn: A Python Toolbox to Tackle the Curse of Imbalanced Datasets in Machine Learning},
+  journal   = {CoRR},
+  volume    = {abs/1609.06570},
+  year      = {2016},
+  url       = {http://arxiv.org/abs/1609.06570}
+  }