APA (7th ed.) Citation

Leffler, J. (1989). Using INFORMIX-SQL. Addison-Wesley.

Chicago Style (17th ed.) Citation

Leffler, Jonathan. Using INFORMIX-SQL. Bonn : Reading, Mass.: Addison-Wesley, 1989.

MLA (8th ed.) Citation

Leffler, Jonathan. Using INFORMIX-SQL. Addison-Wesley, 1989.