Edition. ISO 690

Different editions

The edition should be specified in the terms, including symbols, used in the preferred source.

EXAMPLE 1
3rd ed., revised.

EXAMPLE 2
New enlarged edition.

If different editions of a journal are published in different countries, e.g. Canada and the USA, the country of publication should be given after the title.

Updated versions

For items that are likely to be updated, altered or destroyed, in whole or in part, the reference should make clear which version is being cited by giving the number of the release, update or equivalent, and the year, with, if necessary, the month, day and time (see 9.3.3), when that version was created or the information obtained.

EXAMPLE 1
PARALOG AB. 3RIP® [program]. Version 4.0. Stockholm: Paralog, 1981.

EXAMPLE 2
Financial Times Commodity Reports. Prestel®, page 248310, 1983-06-09 [consulted 1999-04-12, 13:57].

EXAMPLE 3
Mac OS X Update 10.4.7 Intel [software]. 27 June 2006.

For the use of the “®” symbol, see 14.6.

For clarity, both the original date of publication and the date of the update may be included.

EXAMPLE 4
International DOI Foundation. DOI Handbook [online]. ©2006. Updated 19 September 2007 [viewed 20 May 2008]. Available from: http://www.doi.org/hb.html