APA (7th ed.) Citation

Harwood, M., & Harwood, M. (2009). Landing Page Optimization For Dummies® (1st edition.). For Dummies.

Chicago Style (17th ed.) Citation

Harwood, Martin, and Michael Harwood. Landing Page Optimization For Dummies®. 1st edition. For Dummies, 2009.

MLA (8th ed.) Citation

Harwood, Martin, and Michael Harwood. Landing Page Optimization For Dummies®. 1st edition. For Dummies, 2009.

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