APA Citation

Hardy. (2018). Willpower Doesn't Work: Discover the Hidden Keys to Success. USA: Hachette Book.

Chicago Style Citation

Hardy. Willpower Doesn't Work: Discover the Hidden Keys to Success. USA: Hachette Book, 2018.

MLA Citation

Hardy. Willpower Doesn't Work: Discover the Hidden Keys to Success. USA: Hachette Book, 2018.

Warning: These citations may not always be 100% accurate.