Cita APA (7a ed.)

Jerkovic, J. I. (2009). SEO warrior (First edition.). O'Reilly.

Cita Chicago Style (17a ed.)

Jerkovic, John I. SEO Warrior. First edition. Beijing ; Sebastopol, California: O'Reilly, 2009.

Cita MLA (9a ed.)

Jerkovic, John I. SEO Warrior. First edition. O'Reilly, 2009.