Update README.md

Author: ZiyiXia

README.md

@@ -132,6 +132,14 @@ For future work, we plan to build a multi-agent-based market simulator that cons
 
 
 ## Citing FinRL-Meta
+[Dynamic Datasets and Market Environments for Financial Reinforcement Learning](https://arxiv.org/abs/2304.13174)
+@article{dynamic_datasets,
+    author = {Liu, Xiao-Yang and Xia, Ziyi and Yang, Hongyang and Gao, Jiechao and Zha, Daochen and Zhu, Ming and Wang, Christina Dan and Wang, Zhaoran and Guo, Jian},
+    title = {Dynamic Datasets and Market Environments for Financial Reinforcement Learning},
+    journal = {Machine Learning Journal - Springer Nature},
+    year = {2023}
+}
+
 [FinRL-Meta: Market Environments and Benchmarks for Data-Driven Financial Reinforcement Learning](https://openreview.net/pdf?id=LkAFwrqdRY6)
 ```
 @article{finrl_meta_2022,