Referencing or citation management tools enable a consistent and correct use of a chosen citation style.
EndNote: A tool for managing and publishing bibliographies, citations, and references. https://endnote.com/
Mendeley: A tool for reference management and for collaborating and sharing your work. https://www.mendeley.com/?interaction_required=true
Zotero: A tool for managing and organize different resources and for sharing research. https://www.zotero.org/
RefWorks: A tool for managing and organizing bibliographies.