Answer:

Friedman, Thomas L. "Foreign Affairs." New York Times. 21 Nov. 1999. Accessed: 21 Feb. 2001. <http://www.nytimes.com/library/opinion/friedman/112199frie.html >.

Commentary:

First of all, the title of the article must be put in quotation marks.

Second of all, the publication (in italics) where the article appears should be noted.

Thirdly, the date of publication should be noted.

Fourthly, The date of access should be noted.

The URL should be contained in carets.