The reference for a standard looks like this:
Standard reference number: year (republished year, if applicable). Title of standard. Place of publication: publisher.
BS 5605:1990 (1999). Citing and referencing published material. London: British Standard Institution.
Aston University Library Services do not have a subscription to access British Standards Online. There are a small number of British Standards available in the Library.
You can find other standards in the following databases.