APA (7th ed.) Citation

Ledford, J. L. (2008). SEO: Search engine optimization bible. Wiley.

Chicago Style (17th ed.) Citation

Ledford, Jerri L. SEO: Search Engine Optimization Bible. Hoboken, N.J: Wiley, 2008.

MLA (9th ed.) Citation

Ledford, Jerri L. SEO: Search Engine Optimization Bible. Wiley, 2008.

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