American Psychological Association (APA)
CFS. (n.d.). United States Patent and Trademark Office Glossary. Retrieved June 9, 2023, from website: http://www.expertglossary.com/definition/cfs.
Chicago Manual of Style (CMS)
CFS. www.uspto.gov. United States Patent and Trademark Office Glossary. USPTO. http://www.expertglossary.com/definition/cfs (accessed: June 9, 2023).
Modern Language Association (MLA)
"CFS." United States Patent and Trademark Office Glossary. USPTO. 9 June. 2023 http://www.expertglossary.com/definition/cfs.