Update CITATION.md

CITATION.md

@@ -1,5 +1,17 @@
 Please cite the manuscript or software when appropriate as follows:
 
-Treep et al. 2020 Seed dispersal as a search strategy: dynamic and fragmented landscapes select for multi-scale movement strategies in plants
+@article{treep2020seed,  
+    author =  {Treep, Jelle and de Jager, Monique and Bartumeus, Frederic and Soons, Merel B},  
+    title =   {Seed dispersal as a search strategy: dynamic and fragmented landscapes select for multi-scale movement strategies in plants},  
+    journal = {Movement Ecology},  
+    month =   {},  
+    year =    {2020},  
+}  
+
+@online{treep2020patch-dispersal,  
+  author = {Jelle Treep},  
+  title = {patch-dispersal},  
+  url = {github.com/jelletreep/patch-dispersal},  
+  version = {0.1.0},  
+}
 
-Jelle Treep (2020),  patch-dispersal - version 0.1.0. url: github.com/jelletreep/patch-dispersal