A source may sometimes have more than one date.An article may have been published first in print and then online. Include the date for the source that you consulted and which is most relevant to your work.
If the publication date was approximated, put it after "circa", meaning "around" [circa 2008].
If you are uncertain about the accuracy of any information you supply, add a question mark [2008?]
Deresiewicz, William. "The Death of the Artist - and hte Birth of the Creative Entrepreneur." The Atlantic,
Jan.-Feb. 2015, pp. 92-97.
Deresiewicz, William. "The Death of the Artist - and the Birth of the Creative Entrepreneur." The Atlantic,
28 Dec. 2014, www.theatlantic.com/magazine/archive/2015/01/the-death-of-the-artist-and-the-birth-
Video on a web site
If you are viewing a video on a web site, include the date the video was posted there.
"Buffy the Vampire Slayer: Unaired Pilot 1996." YouTube, uploaded by Brian Stowe, 28 Jan 2012.
Comments on web pages
If an article, a comment, or a post on the web includes the time and date when it was posted or updated, include the time along with the date.
Jeane. Comment on "The Reading Brain: Differences between Digital and Print." So Many Books, 25 Apr. 2013,
10:30 p.m., so-many-booksblog.com/2013/04/25/the-reading-brain-differences-between-digital-and-print/
For a web project developed over time, include the time range.
Eaves, Morris, et al., editors. The William Blake Archive. 1996-2014, www.blakearchive.og/blake/.
Periodicals may appear, every week, month, year, day, season. Look for the date on the cover or title page.
Belton, John. "Painting by the Numbers: The Digital Intermediate." Film Quarterly, vo. 61, no. 3, Spring 2008, pp. 58-65.
Baron, Naomi S. "Redefining Reading: The Impact of Digital Communication Media." PMLA, vol. 128, no. 1, Jan. 2013, pp. 193-200.
Kafka, Ben. "The Demon of Writing: Paperwork, Public Safety, and the Demon of Terror." Representations, no. 98, 2007, pp. 1-24.