APA (7th ed.) Citation

National Computer Systems Laboratory (U.S.). (1990). Database language SQL. National Computer Systems Laboratory, National Institute of Standards and Technology ; For sale by the National Technical Information Service.

Chicago Style (17th ed.) Citation

National Computer Systems Laboratory (U.S.). Database Language SQL. Gaithersburg, MD : Springfield, VA: National Computer Systems Laboratory, National Institute of Standards and Technology ; For sale by the National Technical Information Service, 1990.

MLA (8th ed.) Citation

National Computer Systems Laboratory (U.S.). Database Language SQL. National Computer Systems Laboratory, National Institute of Standards and Technology ; For sale by the National Technical Information Service, 1990.