diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 868c1fdd58dbc1345dbe7f444fb985d1dc466431..c8780cd3061f6f7b7e31d17e7610115dcf04358b 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -1,2 +1,4 @@
 Peter Maneykowski (ISE undergraduate) did some early versions of the algorithm.
-Nitin Srivastava (M.S. in ISE) wrote a thesis connected to this work.
\ No newline at end of file
+Nitin Srivastava (M.S. in ISE) wrote a thesis connected to this work.
+
+Thanks to Maureen McGuire of Crisalida Farms.
\ No newline at end of file
diff --git a/README.md b/README.md
index 3de1272633130b2c29cde48a93e29e942b56d299..976862834dda7a74225316a2f90f80a707f27e7d 100644
--- a/README.md
+++ b/README.md
@@ -1,8 +1,8 @@
-This is the code for 
-Algorithmic Geolocation of Harvest in Hand-Picked Agriculture
-by Srivastava, Maneykowski, and Sowers
+Srivastava N, Maneykowski P, Sowers RB. Algorithmic geolocation of harvest in hand-picked agriculture. Natural Resource Modeling. 2018;31:e12158. <https://doi.org/10.1111/nrm.12158>
+
+By
+Richard Sowers <r-sowers@illinois.edu>, website
+<http://publish.illinois.edu/r-sowers/>
 
-Richard Sowers r-sowers@illinois.edu
 
-Main file is