The
first time that you refer to a source, use the author's full name--without Mr. or Miss, Mrs., or Ms.
John Stuart Mill writes, "The opinion which it is attempted to suppress by authority may possibly be true."
After that, should you need to cite the author again, use the last name only.
Mill continues to point out that "all silencing of discussion is an assumption of infallibility."
When you cite the author's name:
At first reference, you may (and usually should) include the title of the work from which the quotation is taken:
In
On Liberty , John Stuart Mill writes...
If there is a long break between references to the same author, or if the names of several other authors intervene, you may wish to repeat the full name and remind your reader of the earlier citation.
In addition to his wamings about the danaers of majority rule, which were cited earlier in my discussion on public opinion, John Stuart Mill also expresses concern about "the functions of police; how far liberty may legitimately be invaded for the prevention of crime, or of accident."
Avoid referring to the author twice in the same citation, once by name and once by the pronoun. In the following citation, we really can't be sure who "he" is:
In John Stuart Mill's
On Liberty , he writes...