American Psychological Association (APA)
Service Life Extension Program (SLEP). (n.d.). MDA Glossary. Retrieved June 7, 2023, from website: http://www.expertglossary.com/definition/service-life-extension-program-slep.
Chicago Manual of Style (CMS)
Service Life Extension Program (SLEP). www.mda.mil. MDA Glossary. DoD Missile Defense Agency. http://www.expertglossary.com/definition/service-life-extension-program-slep (accessed: June 7, 2023).
Modern Language Association (MLA)
"Service Life Extension Program (SLEP)." MDA Glossary. DoD Missile Defense Agency. 7 June. 2023 http://www.expertglossary.com/definition/service-life-extension-program-slep.