APA Style

Clear, J. (2018). Atomic Habbits : an Easy & Proven Way to Build Good Habbit & Break Bad Ones (Cet 1). London: Penguin Books.

MLA Style

Clear, James. "Atomic Habbits : an Easy & Proven Way to Build Good Habbit & Break Bad Ones". Cet 1 London: Penguin Books, 2018. Text.