Add Jax-Zero-Contour citation to docs/general/citations.rst

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: 2 people

docs/general/citations.rst

@@ -18,6 +18,29 @@ You should also specify the non-linear search(es) you use in your analysis (e.g.
 the main body of text, and delete as appropriate any packages your analysis did not use. The citations.bib file includes
 the citation key for all of these projects.
 
+Jax-Zero-Contour
+----------------
+
+If you use the zero-contour method for critical curve and caustic computation (the default in
+``visualize/general.yaml`` via ``critical_curves_method: zero_contour``), please cite the
+``Jax-Zero-Contour`` package by Coleman Krawczyk:
+
+.. code-block:: bibtex
+
+    @software{coleman_krawczyk_2025_15730415,
+      author       = {Coleman Krawczyk},
+      title        = {CKrawczyk/Jax-Zero-Contour: Version 2.0.0},
+      month        = jun,
+      year         = 2025,
+      publisher    = {Zenodo},
+      version      = {v2.0.0},
+      doi          = {10.5281/zenodo.15730415},
+      url          = {https://doi.org/10.5281/zenodo.15730415},
+    }
+
+The package is available at https://github.com/CKrawczyk/Jax-Zero-Contour and archived at
+https://doi.org/10.5281/zenodo.15730415.
+
 Dynesty
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