MLA format from 1997:
WWW source example:
Limb, Peter. "Relationships between Labour & African Nationalist/Liberation Movements in Southern Africa." [
http://neal.ctstateu.edu/history/wor...es/limb-1.html]. May 1992.
(the url should NOT be underlined.)
Editorial source example:
"The Last Chapter in a Sordid Affair". Editorial. <U>The Toronto Star</U>. 5 Dec. 1991: A22.
as you can see, when something is unsigned, you just skip the author portion entirely, and go right to the title.
now lastly:
Book, one author, source example:
Blumenson, John. <U>Ontario Architecture</U>. Toronto: Fitzhenry and Whiteside, 1990.