APA (7th ed.) Citation

Kent, P. (2015). SEO For Dummies (6th edition.). For Dummies.

Chicago Style (17th ed.) Citation

Kent, Peter. SEO For Dummies. 6th edition. For Dummies, 2015.

MLA (9th ed.) Citation

Kent, Peter. SEO For Dummies. 6th edition. For Dummies, 2015.

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