fix citations

app/views/admin/research/journals/papers/static.html.erb

@@ -45,8 +45,16 @@ citations:
   - label: "MLA"
     content: >-
       <%= prepare_html_for_static @about.citation_mla(website: @website), @website.university %>
+  - label: "Chicago"
+    content: >-
+      <%= prepare_html_for_static @about.citation_chicago(website: @website), @website.university %>
+  - label: "Harvard"
+    content: >-
+      <%= prepare_html_for_static @about.citation_harvard(website: @website), @website.university %>
+  <% if @website.default_language.iso_code == "fr" %>
   - label: "ISO 690"
     content: >-
       <%= prepare_html_for_static @about.citation_iso690(website: @website), @website.university %>
+  <% end %>
 <%= render 'admin/communication/blocks/content/static', about: @about %>
 ---