As a general rule, commas can be used to list items in a series, to join sentences and to set off parenthetical or introductory phrases (for commas in lists in sentence form, see Items in lists).
Recommended citation:
«Commas» [en línia]. A: Criteris de la Universitat de Barcelona (CUB). Style Guide. Barcelona: Universitat de Barcelona. Serveis Lingüístics. <http://www.ub.edu/cub/criteri.php?id=2306> [consulta: 2 agost 2021].
