diff --git a/assets/citation.bib b/assets/citation.bib
deleted file mode 100644
index 7c5d70e..0000000
--- a/assets/citation.bib
+++ /dev/null
@@ -1,9 +0,0 @@
-@book{Sargent_Stachurski_2024, 
-    place={Cambridge}, 
-    series={Structural Analysis in the Social Sciences}, 
-    title={Economic Networks: Theory and Computation}, 
-    publisher={Cambridge University Press}, 
-    author={Sargent, Thomas J. and Stachurski, John}, 
-    year={2024}, 
-    collection={Structural Analysis in the Social Sciences}
-}
\ No newline at end of file
diff --git a/index.html b/index.html
index 8a31a56..384e4f7 100644
--- a/index.html
+++ b/index.html
@@ -32,7 +32,7 @@ <h2>Theory and Computation</h2>
 							<br><a href="https://github.com/QuantEcon/book-networks-public/blob/main/pdf/networks_chinese.pdf" download>你可以点击 这里 下载电子版教材</a>
 							</p>
 							<p>
-							<p><a href="https://github.com/QuantEcon/book-networks-public/blob/main/assets/citation.bib" download>Bibtex Citation</a>
+							<p><a href="https://github.com/QuantEcon/book-networks-public/blob/main/bibtex/citation.bib" download>Bibtex Citation</a>
 							</p>
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