id: The id name and version number of the cited article. For example the article Fredholm theorems would have an id=Fredholm_theorems&oldid=12814, where "oldid=12814" indicates the version of the article that is being cited. This value can be found in the "How to Cite this article" area at the bottom of each article in the EOM.
last (or last1): The first author's surname or last name.
first (or first1): The first author's first or given name(s).
author-link (or author1-link): Title of an existing Wikipedia article about the first author.
last2, The second author's surname or last name, if applicable.
first2, The second authors' first or given name(s), if applicable.
author2-link: Title of an existing Wikipedia article about the second author, if applicable.