Dates.

Enter the year of publication (or the year in which an unpublished work was written) in the Year field. For books, the year of publication is usually listed on the copyright page. For web pages, the year of publication is sometimes listed at the bottom of the page.

If there is no date, type n. d. in the Year field.

2004
n. d.

For periodicals, enter the month of publication in the Day/Month field.

January 24
Spring

For web pages, enter the day and year on which you accessed the page in the Accessed field

August 10, 2005

If you are working mainly with web pages, please see the help file page on Citing Web Pages.