Cita APA (7a ed.)
Allen, D. (2015). Getting Things Done: The Art of Stress-Free Productivity. Piatkus.
Cita Chicago Style (17a ed.)
Allen, David. Getting Things Done: The Art of Stress-Free Productivity. London: Piatkus, 2015.
Cita MLA (9a ed.)
Allen, David. Getting Things Done: The Art of Stress-Free Productivity. Piatkus, 2015.
Precaución: Estas citas no son 100% exactas.