Do bear in mind that you certainly don’t need to complete all of the sections before you “save” the article. It is OK for it to be incomplete, just a simple “stub” article. Just make sure you have at least one reliable reference in there, otherwise the whole thing may get deleted.
Please ask me if you need more info about how to create an article for Wikipedia, what to write or how to say it, or if you have created a stub and want me to look it over and polish up a bit.
Susan