readme: cite the published arXiv paper (2607.10017) — badge, link, BibTeX

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

Author: riponcm

README.md

@@ -10,10 +10,11 @@
 [![Python](https://img.shields.io/pypi/pyversions/acadgis?color=2d6a4f)](https://pypi.org/project/acadgis/)
 [![License](https://img.shields.io/badge/license-Apache--2.0-1b9aaa.svg)](LICENSE)
 [![Docs](https://img.shields.io/badge/docs-acadgis.com-ffb567.svg)](https://doc.acadgis.com)
+[![arXiv](https://img.shields.io/badge/arXiv-2607.10017-b31b1b.svg)](https://arxiv.org/abs/2607.10017)
 
 ### Publication-ready study area maps for research — in a few lines of Python
 
-**[Website](https://acadgis.com)**  ·  **[Documentation](https://doc.acadgis.com)**  ·  **[PyPI](https://pypi.org/project/acadgis/)**  ·  **[Changelog](CHANGELOG.md)**  ·  **[Quick start](#quick-start)**
+**[Website](https://acadgis.com)**  ·  **[Documentation](https://doc.acadgis.com)**  ·  **[PyPI](https://pypi.org/project/acadgis/)**  ·  **[Paper (arXiv)](https://arxiv.org/abs/2607.10017)**  ·  **[Changelog](CHANGELOG.md)**  ·  **[Quick start](#quick-start)**
 
 </div>
 
@@ -201,13 +202,18 @@ in your work. See [`NOTICE`](NOTICE).
 
 ## Citation
 
+If AcadGIS helps your research, please cite the paper:
+
 ```bibtex
-@software{acadgis,
-  title  = {AcadGIS: publication-ready academic GIS study-area maps},
-  author = {Ripon Chandra Malo},
-  year   = {2026},
-  url    = {https://github.com/riponcm/AcadGIS},
-  note   = {Web app: https://acadgis.com}
+@misc{malo2026acadgis,
+  title         = {{AcadGIS}: A Single-Import {Python} Package for Reproducible, Publication-Ready Academic Maps},
+  author        = {Malo, Ripon Chandra and Roy, Shatabdi and Qiu, Tong},
+  year          = {2026},
+  eprint        = {2607.10017},
+  archivePrefix = {arXiv},
+  primaryClass  = {cs.MS},
+  doi           = {10.48550/arXiv.2607.10017},
+  url           = {https://arxiv.org/abs/2607.10017}
 }
 ```
 

README_PyPI.md

@@ -13,6 +13,7 @@
   <a href="https://pypi.org/project/acadgis/"><img src="https://img.shields.io/pypi/pyversions/acadgis?color=2d6a4f" alt="Python"></a>
   <a href="https://www.apache.org/licenses/LICENSE-2.0"><img src="https://img.shields.io/badge/license-Apache--2.0-1b9aaa.svg" alt="License"></a>
   <a href="https://doc.acadgis.com"><img src="https://img.shields.io/badge/docs-acadgis.com-ffb567.svg" alt="Docs"></a>
+  <a href="https://arxiv.org/abs/2607.10017"><img src="https://img.shields.io/badge/arXiv-2607.10017-b31b1b.svg" alt="arXiv"></a>
 </p>
 
 <p align="center">
@@ -144,11 +145,29 @@ agis.study_area("Bangladesh",                                  # whole layout, o
 - Web app: https://acadgis.com
 - Documentation: https://doc.acadgis.com
 - Source: https://github.com/riponcm/AcadGIS
+- Paper: https://arxiv.org/abs/2607.10017
 - Data: GADM (boundaries), Copernicus GLO-30 (terrain), Natural Earth and OpenStreetMap
   (hydrography). Free for academic and non-commercial use — please cite the sources.
 - Built with [projectmem](https://github.com/riponcm/projectmem) — the persistent
   memory + workflow layer used to develop AcadGIS.
 
+## Citation
+
+If AcadGIS helps your research, please cite the paper (arXiv:2607.10017):
+
+```bibtex
+@misc{malo2026acadgis,
+  title         = {{AcadGIS}: A Single-Import {Python} Package for Reproducible, Publication-Ready Academic Maps},
+  author        = {Malo, Ripon Chandra and Roy, Shatabdi and Qiu, Tong},
+  year          = {2026},
+  eprint        = {2607.10017},
+  archivePrefix = {arXiv},
+  primaryClass  = {cs.MS},
+  doi           = {10.48550/arXiv.2607.10017},
+  url           = {https://arxiv.org/abs/2607.10017}
+}
+```
+
 ## License
 
 Apache License 2.0.