Date, C. J., & Darwen, H. (1993). A guide to the SQL Standard: A user's guide to the standard relational language SQL (3rd ed.). Addison-Wesley.
Chicago Style (17th ed.) CitationDate, C. J., and Hugh Darwen. A Guide to the SQL Standard: A User's Guide to the Standard Relational Language SQL. 3rd ed. Reading, Mass: Addison-Wesley, 1993.
MLA (9th ed.) CitationDate, C. J., and Hugh Darwen. A Guide to the SQL Standard: A User's Guide to the Standard Relational Language SQL. 3rd ed. Addison-Wesley, 1993.
Warning: These citations may not always be 100% accurate.