diff --git a/libeoaconvert.py b/libeoaconvert.py
index 3a39437..6290594 100644
--- a/libeoaconvert.py
+++ b/libeoaconvert.py
@@ -200,6 +200,16 @@ def plural(num, noun, plural=None):
     return phrase
 # def plural ends here
 
+
+def format_citations_tex4ht(used_citekeys, bibdata, language, tmp_filename):
+    """Return a formatted xmlstring of the used citations"""
+
+    tmp_path_md = "tmp_files" + os.path.sep + tmp_filename + ".tex"
+    tmp_path_html = "tmp_files" + os.path.sep + tmp_filename + ".html"
+
+    return references
+# def format_citations_tex4ht ends here
+
 def format_citations(used_citekeys, bibdata, language, tmp_filename):
     """Return a formatted xmlstring of the used citations"""