Update README.md

README.md

@@ -1,18 +1,18 @@
-#Panel Data Toolbox for MATLAB
+# Panel Data Toolbox for MATLAB
 
 Version 2.0
 
 http://www.paneldatatoolbox.com
 
-##Authors:
+## Authors:
 
 Inmaculada C. Álvarez
 
 Javier Barbero
 
 José L. Zofío.
 
-##Usage:
+## Usage:
 
 To use the Toolbox add the folder called "paneldata" (with Subfolders) to the MATLAB path.
 
@@ -24,12 +24,12 @@ The toolbox contains the following folders:
 - paneldata: all the functions of the toolbox all here. This is the folder you must add to the MATLAB path.
 - unittests: unitests of the functions of the toolbox.
 
-##How to cite:
-See instructions at:
+## How to cite:
+Please, cite the toolbox as:
 
-http://www.paneldatatoolbox.com/how-to-cite/
+Álvarez, Inmaculada C.; Barbero, Javier and Zofío, José L, (2017) A Panel Data Toolbox for MATLAB. Journal of Statistical Software. Volume 76, Issue 6, pp 1-27. http://dx.doi.org/10.18637/jss.v076.i06
 
-##License
+## License
 Code is distributed under the GNU-GPL3
 
 http://www.gnu.org/licenses/gpl-3.0.html