diff --git a/invenio_rdm_records/resources/serializers/bibtex/schema.py b/invenio_rdm_records/resources/serializers/bibtex/schema.py
index e80f2aa28..88eb1406c 100644
--- a/invenio_rdm_records/resources/serializers/bibtex/schema.py
+++ b/invenio_rdm_records/resources/serializers/bibtex/schema.py
@@ -52,6 +52,10 @@ class BibTexSchema(BaseSerializerSchema, CommonFieldsMixin):
             BibTexFormatter.book,
             BibTexFormatter.booklet,
         ],
+        "publication-section": [
+            BibTexFormatter.in_collection,
+            BibTexFormatter.in_book,
+        ],
         "publication-article": [BibTexFormatter.article],
         "publication-preprint": [BibTexFormatter.unpublished],
         "publication-thesis": [BibTexFormatter.thesis],
diff --git a/tests/resources/serializers/test_bibtex_serializer.py b/tests/resources/serializers/test_bibtex_serializer.py
index 5d2d54610..ac6e76f05 100644
--- a/tests/resources/serializers/test_bibtex_serializer.py
+++ b/tests/resources/serializers/test_bibtex_serializer.py
@@ -86,7 +86,6 @@ def test_bibtex_serializer_full_record(running_app, updated_full_record):
     [
         ("publication"),
         ("publication-annotationcollection"),
-        ("publication-section"),
         ("publication-conferenceproceeding"),
         ("publication-datamanagementplan"),
         ("publication-journal"),
@@ -195,6 +194,59 @@ def test_serialize_publication_conferencepaper(running_app, updated_minimal_reco
         ]
     )
 
+def test_serialize_publication_booksection(running_app, updated_minimal_record):
+    """Test bibtex formatter for a section of a book.
+
+    It serializes into `incollection` based on
+
+    - incollection
+    - inbook
+    """
+    updated_minimal_record["metadata"]["resource_type"][
+        "id"
+    ] = "publication-section"
+
+    # Force serialization into 'inproceedings'
+    updated_minimal_record.update(
+        {"custom_fields": {"imprint:imprint": {"title": "book title"}}}
+    )
+    serializer = BibtexSerializer()
+    serialized_record = serializer.serialize_object(updated_minimal_record)
+
+    expected_data = "\n".join(
+        [
+            "@incollection{brown_2023_abcde-fghij,",
+            "  author       = {Name and",
+            "                  Troy Inc.},",
+            "  title        = {A Romans story},",
+            "  booktitle    = {book title},",
+            "  year         = 2023,",
+            "  publisher    = {Acme Inc},",
+            "  month        = mar,",
+            "}",
+        ]
+    )
+
+    assert serialized_record == expected_data
+
+    # Force serialization into 'inbook'
+    del updated_minimal_record["custom_fields"]["imprint:imprint"]
+    serialized_record = serializer.serialize_object(updated_minimal_record)
+
+    expected_data = "\n".join(
+        [
+            "@inbook{brown_2023_abcde-fghij,",
+            "  author       = {Name and",
+            "                  Troy Inc.},",
+            "  title        = {A Romans story},",
+            "  year         = 2023,",
+            "  publisher    = {Acme Inc},",
+            "  month        = mar,",
+            "}",
+        ]
+    )
+
+    assert serialized_record == expected_data
 
 def test_serialize_publication_book(running_app, updated_minimal_record):
     """Test bibtex formatter for books.