Krogerus, M., & Tschäppeler, R. (2023). The get things done book: 41 tools to start, stick with and finish things. Profile Books.
Chicago Style (17th ed.) CitationKrogerus, Mikael, and Roman Tschäppeler. The Get Things Done Book: 41 Tools to Start, Stick with and Finish Things. London: Profile Books, 2023.
MLA (9th ed.) CitationKrogerus, Mikael, and Roman Tschäppeler. The Get Things Done Book: 41 Tools to Start, Stick with and Finish Things. Profile Books, 2023.
Warning: These citations may not always be 100% accurate.