APA (7th ed.) Citation

Gruber, M. (1990). Understanding SQL. Sybex.

Chicago Style (17th ed.) Citation

Gruber, Martin. Understanding SQL. San Francisco: Sybex, 1990.

MLA (9th ed.) Citation

Gruber, Martin. Understanding SQL. Sybex, 1990.

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