Update README.md

README.md

@@ -329,4 +329,14 @@ def apply_correction(img, label):
 
 ## Citation
 
-> Citation forthcoming.
+```bibtext
+@misc{mendez2026institutionalbooksvisual,
+      title={Institutional Books - Visual Elements: An open-source pipeline for extracting, classifying, deduplicating, and captioning visual elements from digital book collections}, 
+      author={Jimmy Mendez and Matteo Cargnelutti and David Lowry-Duda and Catherine Brobston and Salwa Ismail and Greg Leppert and Amanda Watson and Jonathan Zittrain},
+      year={2026},
+      eprint={2608.18957},
+      archivePrefix={arXiv},
+      primaryClass={cs.CV},
+      url={https://arxiv.org/abs/2608.18957}, 
+}
+```