APA (7th ed.) Citation

TrimblelhJohn & Chappell. A visual introduction to SQL.

Chicago Style (17th ed.) Citation

TrimblelhJohn and Chappell. A Visual Introduction to SQL. New YorklbJohn Wiley & Sonslc1989.

MLA (9th ed.) Citation

TrimblelhJohn and Chappell. A Visual Introduction to SQL.

Warning: These citations may not always be 100% accurate.