APA (7th ed.) Citation

Allen D. David. (2006). Getting Things Done. Now to achieve stress-free Productivity. London, Piatkus, 2006.

Chicago Style (17th ed.) Citation

Allen D. David. Getting Things Done. Now to Achieve Stress-free Productivity. London, Piatkus, 2006, 2006.

MLA (9th ed.) Citation

Allen D. David. Getting Things Done. Now to Achieve Stress-free Productivity. London, Piatkus, 2006, 2006.