From c0f93723b8f54208a580355b9173863e9218e6f9 Mon Sep 17 00:00:00 2001
From: Vince Knight <vince@vknight.org>
Date: Thu, 2 Jul 2026 13:13:01 +0100
Subject: [PATCH] Add a citation of the library.

Adds: https://openreview.net/forum?id=jiBoYmPAcm
---
 citations.md | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/citations.md b/citations.md
index 54ba0d750..bd9733a74 100644
--- a/citations.md
+++ b/citations.md
@@ -1,5 +1,9 @@
 # Citations
 
+### 2026
+
+* Oleksii Ignatenko and Nazarii Tkach. "Opponent Modeling and Value of Information in Deep Reinforcement Learning for the Iterated Prisoner's Dilemma" [New Frontiers in Game-Theoretic Learning - NExT-Game](https://openreview.net/forum?id=jiBoYmPAcm).
+
 ### 2024
 
 * Glynatsi, Nikoleta E., Vincent Knight, and Marc Harper. "Properties of winning Iterated Prisoner’s Dilemma strategies." [PLOS Computational Biology 20.12 (2024): e1012644](https://journals.plos.org/ploscompbiol/article?id=10.1371/journal.pcbi.1012644).