APA (7th ed.) Citation

Harrington, J. L. (2003). SQL: Clearly explained (2nd ed.). Morgan kaufmann Publishers.

Chicago Style (17th ed.) Citation

Harrington, Jan L. SQL: Clearly Explained. 2nd ed. Amsterdam ; New York: Morgan kaufmann Publishers, 2003.

MLA (9th ed.) Citation

Harrington, Jan L. SQL: Clearly Explained. 2nd ed. Morgan kaufmann Publishers, 2003.