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README.md

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-license: mit
+license: cc-by-sa-4.0
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 # Catechism of the Coptic Orthodox Church – Volume 1
 
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 - **Title:** Catechism of the Coptic Orthodox Church – Volume 1  
 - **Author:** Fr. Tadros Y. Malaty  
 - **Tradition:** Coptic Orthodox Church  
-- **Language:** English  
-
+- **Language:** English
+
+
+```bibtex
+@book{malaty2023catechism_v1,
+  title     = {Catechism of the Coptic Orthodox Church},
+  author    = {Malaty, Tadros Yacoub},
+  volume    = {1},
+  note      = {Books 1--3},
+  year      = {2023},
+  publisher = {St. George Coptic Orthodox Church},
+  address   = {Sporting, Alexandria},
+}