Give the year of publication, distribution, etc, of the edition
named in the edition area (see rule
2B). Ignore dates of later issues of the same
edition. If there is no edition statement, give the year of the
first publication of the item that you are describing. Give the
year in Arabic numbers.
Give the beginning date of a serial, integrating
resource, or multi-part resource that is not
yet completed. Follow the date by a hyphen.
Give the beginning and ending dates of a serial,
integrating resource, or multi-part resource that
is completed.
Give the beginning and ending dates of a serial,
integrating resource and multi-part resource
are not known, omit them, and,
optionally,
make a note (see
7B8).
If no date of publication is found on the item,
give, in this order of preference.