diff --git a/biblio/__init__.py b/biblio/__init__.py
index f04e72b..6ee6144 100644
--- a/biblio/__init__.py
+++ b/biblio/__init__.py
@@ -8,9 +8,9 @@
 
     publication = single_publication(7175390)
 
-    if publication.cite.chicago_author_date:
+    try:
         print publication.cite.chicago_author_date
-    else:
+    except AttributeError:
         print 'No chicago author date is provided'
 
 .. _`Ghent University Academic Bibliography`: https://biblio.ugent.be/
diff --git a/biblio/biblio.py b/biblio/biblio.py
index a2c1788..1755649 100644
--- a/biblio/biblio.py
+++ b/biblio/biblio.py
@@ -15,7 +15,6 @@
     - Leading underscores on all fields are removed (e.g. ``_id`` becomes ``id``)
     - All hyphens are replaces with underscores (e.g. ``chicago-author-date`` becomes ``chicago_author_date``)
 
-
 .. _`Ghent University Academic Bibliography`: https://biblio.ugent.be/
 .. _UGent: http://www.ugent.be
 .. _API: https://biblio.ugent.be/doc/api