APA Style
Allen, David. (2015).
Getting Things Done : The Art of Stress-free Productivity .
London:
Piatkus.
Chicago Style
Allen, David.
Getting Things Done : The Art of Stress-free Productivity.
London:
Piatkus,
2015.
Text.
MLA Style
Allen, David.
Getting Things Done : The Art of Stress-free Productivity.
London:
Piatkus,
2015.
Text.
Turabian Style
Allen, David.
Getting Things Done : The Art of Stress-free Productivity.
London:
Piatkus,
2015.
Print.