APA Style

Elmasri, R., Navathe, S. (2011). Database systems : models, languages, design, and application programming. Sixth Edition (Sixth Edition). Boston: Pearson.

MLA Style

Elmasri, Ramez., Navathe, Sham. "Database systems : models, languages, design, and application programming. Sixth Edition". Sixth Edition Boston: Pearson, 2011. Text.