1. An official document, or speech, that praises someone's actions, accomplishments, or character: Adam was given a citation because when he was in the armed forces he showed great bravery.
2. A quotation from an authoritative source that is used to support an idea or an argument or something mentioned as proof for a reason why something has happened: Robert quoted words taken from a citation of a particular writer's publication to establish what he was suggesting had the support of a professional.
3. A reference to a previous decision by a court or legal authority, specifying precisely where it is documented: Carol presented a citation which was officially mentioned in a court of law for someone to officially appear on a specific day.