Cita APA (7a ed.)

Smart, J. (2015). The little book of clarity: A quick guide to focus and declutter your mind (1st edition.). John Wiley & Sons.

Cita Chicago Style (17a ed.)

Smart, Jamie. The Little Book of Clarity: A Quick Guide to Focus and Declutter Your Mind. 1st edition. Chichester, West Sussex: John Wiley & Sons, 2015.

Cita MLA (9a ed.)

Smart, Jamie. The Little Book of Clarity: A Quick Guide to Focus and Declutter Your Mind. 1st edition. John Wiley & Sons, 2015.