diff --git a/frontend/src/services/comboboxItemService.ts b/frontend/src/services/comboboxItemService.ts
index e708f29..55787a3 100644
--- a/frontend/src/services/comboboxItemService.ts
+++ b/frontend/src/services/comboboxItemService.ts
@@ -16,6 +16,7 @@ const service: ComboboxItemService = {
     const banzLegalPeriodical = new LegalPeriodical({
       title: 'Bundesanzeiger',
       abbreviation: 'BAnz',
+      citationStyle: '2009, Seite 21'
     })
     const banzItem: ComboboxItem = {
       label: 'BAnz | Bundesanzeiger',
@@ -25,6 +26,7 @@ const service: ComboboxItemService = {
     const aaLegalPeriodical = new LegalPeriodical({
       title: 'Arbeitsrecht aktiv',
       abbreviation: 'AA',
+      citationStyle: '2011'
     })
     const aaItem: ComboboxItem = {
       label: 'AA | Arbeitsrecht aktiv',