diff --git a/configs/packages/writing.nix b/configs/packages/writing.nix
index 8ba5267..abda2a2 100644
--- a/configs/packages/writing.nix
+++ b/configs/packages/writing.nix
@@ -1,5 +1,29 @@
-{ pkgs, ... }:
+{ pkgs, lib, ... }:
+let
+  zoteroStyle = { name, sha256 }: {
+    name = "${name}.csl";
+    path = pkgs.fetchurl {
+      url = "https://www.zotero.org/styles/${name}";
+      inherit sha256;
+    };
+  };
+in
 {
+  environment.variables.CITATIONSTYLES = toString (pkgs.linkFarm "citation-styles" [
+    (zoteroStyle {
+      name = "chicago-author-date-de";
+      sha256 = "0fz0xn46rkciblr34a7x2v60j0lbq9l3fmzi43iphph27m0czn6s";
+    })
+    (zoteroStyle {
+      name = "din-1505-2";
+      sha256 = "150kbnxl1r4g1s40khdavv5s6ah10ws135r9k883f6srk78sz6zi";
+    })
+    (zoteroStyle {
+      name = "apa";
+      sha256 = "1rg41mblmqifba1azb6481dwxhsbl606kf6ysqkqd786f9l9dcf8";
+    })
+  ]);
+
   environment.systemPackages = with pkgs; [
     texlive.combined.scheme-full
     (aspellWithDicts (dict: [dict.de dict.en dict.en-computers]))