Loyd, A. (2015). Beyond willpower: The secret principle to achieving success in life, love, and happiness. Harmony Books.
Цитирование в стиле Чикаго (17-е изд.)Loyd, Alex. Beyond Willpower: The Secret Principle to Achieving Success in Life, Love, and Happiness. New York: Harmony Books, 2015.
Цитирование MLA (8-е изд.)Loyd, Alex. Beyond Willpower: The Secret Principle to Achieving Success in Life, Love, and Happiness. Harmony Books, 2015.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.