Hardy, B. (2018). Willpower doesn't work: Discover the hidden keys to success (First Edition.). Hachette Books.
Цитирование в стиле Чикаго (17-е изд.)Hardy, Benjamin. Willpower Doesn't Work: Discover the Hidden Keys to Success. First Edition. New York: Hachette Books, 2018.
Цитирование MLA (8-е изд.)Hardy, Benjamin. Willpower Doesn't Work: Discover the Hidden Keys to Success. First Edition. Hachette Books, 2018.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.