add properly formatted reference section

Author: drbenvincent

docs/source/notebooks/tfits_single_channel.ipynb

@@ -824,10 +824,17 @@
     "- Bootstrap confidence intervals for effect estimates\n",
     "- Grid search for optimal transform parameters\n",
     "- Bayesian inference with PyMC for full uncertainty quantification\n",
-    "- Multi-channel analysis (e.g., multiple communication channels, different media types)\n",
-    "\n",
-    "**References and Related Methods:**\n",
-    "For more on interrupted time series and intervention analysis, see {cite:p}`box1975intervention`. For related quasi-experimental methods in CausalPy, see the {term}`Interrupted Time Series`, {term}`Synthetic Control`, and {term}`Difference in Differences` documentation.\n"
+    "- Multi-channel analysis (e.g., multiple communication channels, different media types)\n"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "## References\n",
+    ":::{bibliography}\n",
+    ":filter: docname in docnames\n",
+    ":::"
    ]
   }
  ],