Allen, D. (2019). THE GETTING THINGS DONE WORKBOOK: 10 moves to stress-free productivity. New York, New York: Penguin Books.
Chicago Style CitationAllen, David. THE GETTING THINGS DONE WORKBOOK: 10 Moves to Stress-free Productivity. New York, New York: Penguin Books, 2019.
MLA CitationAllen, David. THE GETTING THINGS DONE WORKBOOK: 10 Moves to Stress-free Productivity. New York, New York: Penguin Books, 2019.
Warning: These citations may not always be 100% accurate.