To cite Garfield comics, start with the title of the comic. Then, include details like the author's name, the date it was published, and the source where you found it. For example, if it's from a website, give the URL. If it's from a print publication, mention the volume and page numbers.
Garfield has been around since 1978, so as of now, he's been in the comics for quite a long time, but his age within the comic world is kind of ambiguous.
Garfield comics are usually created by the artist's imagination and drawing skills. The creator comes up with funny and relatable storylines for Garfield and his adventures, then sketches and inks the characters and scenes.