List the title of the cereal box in quotations followed by a period. Because there is no traditional author, the next item you must list in MLA format is the title of the source. For example, if the cereal box is "Kellogg's Corn Flakes," you would list this as the title.
List the place of publication, followed by a colon. This would be the city listed in a periodical, book or other traditional source material. Look on the side of the cereal box for the location of the company that distributes and sells the product.
Write the name of the company that distributes or sells the cereal, followed by a comma. This takes the place of the publisher in a more traditional source.
Write the date of expiration, followed by a period, then write the medium of publication, which in this case is a cereal box. The expiration date is often printed on top of the cereal box, and would typically be the year of publication in other cited works. Some cereal boxes include the date the cereal was shipped. Use that date if it is available.
Write the completed citation in this way: "Kellogg's Corn Flakes." New York: Kellogg NA Company, March 14, 2012. Print Cereal Box."