bibcite-8.x-1.x-dev/modules/bibcite_marc/bibcite_marc.services.yml

services:
  bibcite_marc.encoder.marc:
    class: Drupal\bibcite_marc\Encoder\MarcEncoder
    tags:
      - { name: encoder, format: marc }
  bibcite_marc.normalizer.reference:
    class: Drupal\bibcite_marc\Normalizer\MarcReferenceNormalizer
    tags:
      - { name: normalizer, priority: 5 }
    arguments: ['@entity_type.manager', '@config.factory', '@entity_type.repository', '@entity_field.manager']
    calls:
      - [setFormat, ['marc']]
    properties:
      defaultType: 'misc'
      contributorKey: 'authors'
      keywordKey: 'keywords'