APA (7th ed.) Citation

Ash, T. (2008). Landing page optimization: The definitive guide to testing and tuning for conversions (1st edition.). Wiley.

Chicago Style (17th ed.) Citation

Ash, Tim. Landing Page Optimization: The Definitive Guide to Testing and Tuning for Conversions. 1st edition. Indianapolis, IN: Wiley, 2008.

MLA (9th ed.) Citation

Ash, Tim. Landing Page Optimization: The Definitive Guide to Testing and Tuning for Conversions. 1st edition. Wiley, 2008.