Today, September 18, according to the Scottish Independence Referendum Act of 2013 available here http://www.scottish.parliament.uk/parliamentarybusiness/Bills/61076.aspx, Scottish or British or Irish or EU citizens living in Scotland can vote, as stated in this voting guide http://www.electoralcommission.org.uk/__data/assets/pdf_file/0012/170400/The-2014-Scottish-Independence-Referendum-Voting-Guide.pdf.
In the Scottish Referendum poll stations will be open from 7 am to 10 pm. Recall that registered voters are 16 yr-old or more. The question wording of the Scottish Referendum reads as follows:
Should Scotland be an independent country?
Vote (X) only once:
“Yes Scotland” and “Better Together” are the lead campaigners for each outcome at the Scottish Referendum, and there is a spending limit of £1.5 million.
You can read additional information from the “Electoral Commission” website available here http://www.electoralcommission.org.uk/, from “Elections Scotland” website and the “Electoral Management Board for Scotland Referendum” available here http://www.electionsscotland.info/.
Finally, previous poll reports showed tendencies analyzing 87 surveys from February 2013 to September 2014 using the question wording: “Should Scotland be an independent country?” here http://whatscotlandthinks.org/questions/should-scotland-be-an-independent-country-1#line and a second analysis available here http://sotonpolitics.org/2014/09/12/polling-observatory-scottish-referendum-special-who-is-ahead-and-how-close-is-it/