This element ends in a comma if the citation continues with more information. If it is the end of the citation, it ends with a period.
Write the full date as you find it on the source. Use the format of Day Month Year to minimize the use of commas.
The names of months that are longer than four letters are abbreviated in the works cited list.
Jan. Feb. Mar. Apr. Aug. Sept. Oct. Nov. Dec.
"Works my be associated with more than one publication date. You should record the publication date provided by the version of the source you consult" (MLA Handbook, 9th ed., p.174).
If the source you are citing does not have a publication date, omit that part of the citation. Do not write "No date" or "N.d.".
For more information, refer to pages 173-187 of the MLA Handbook, 9th ed.