APA Style

Duhigg, Charles. (2013). Power of habit: why we do what we do and how to change (First published). London: Random House.

Chicago Style

Duhigg, Charles. Power of habit: why we do what we do and how to change. First published London: Random House, 2013. Text.

MLA Style

Duhigg, Charles. Power of habit: why we do what we do and how to change. First published London: Random House, 2013. Text.

Turabian Style

Duhigg, Charles. Power of habit: why we do what we do and how to change. First published London: Random House, 2013. Print.