Update README.md

README.md

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 This **Keyword Extraction Explorer Tool** was created as part of the [Digital Scholarship at Oxford (DiSc)](https://digitalscholarship.web.ox.ac.uk/) funded research project: *Extracting Keywords from Crowdsourced Collections*.
 
 **See also** [Main EKCC project repository](https://github.com/Digital-Scholarship-Oxford/crowdsourced-data-tools)
-**and** [EKCC Project preprint: Letting the Data Speak: Extracting Keywords from Crowdsourced Collections with AI](https://doi.org/10.48550/arXiv.2607.09324)
+**and** [Arana-Catania, M., Conisbee, C., & Kidd, M. (2026). Letting the Data Speak: Extracting Keywords from Crowdsourced Collections with AI (https://doi.org/10.48550/arXiv.2607.09324)](https://doi.org/10.48550/arXiv.2607.09324)  
 
 
 The code for this tool was developed with the assistance of Claude Opus 4 and updated with Claude Opus 4.8 (Anthropic).