It is ultimately your responsibility to make sure that your citations and paper are formatted correctly. Many online generators are known for creating wrong, missing and inaccurate citations. When in doubt, create the citation from scratch or make sure to compare the citation generated with the manual to create a correct citation.
Noodletools is our online research organization tool. Noodletools includes citation, annotation, source archiving, note-taking, outlining, collaboration, and expert help to create a properly formatted and well organized paper.