We’re not lawyers here at www.islisp.info, which means you should consult an actual lawyer if you’re in any way concerned about your actual legal exposure, but our informal recommendation is the following:

For information on the process used to create the above specification, see the “History” page at this site.

If you need to refer to the actual ISO document, you should order a copy for your own reference from ISO. ISO is the only source of ISO documents that we know of. We are not some kind of cheap second source for them.

If you need to make derivative works of the ISO document, you should negotiate the use of the ISO name with ISO. You should not assume you are free to use it. We wouldn’t know, because we aren’t them, but we presume that ISO has specific guidelines for how its name may and may not be used for endorsing things.