def METHOD_NAME(self, obj):
    """Get resource type."""
    resource_type = obj["metadata"].get(
        "resource_type", {"id": "publication-article"}
    )
    resource_type_record = self._read_resource_type(resource_type["id"])
    props = resource_type_record["props"]
    return props.get("csl", "article")  # article is CSL "Other"