Kwik, J. (2020). Limitless: Upgrade your brain, learn anything faster, and unlock your exceptional life (1st edition.). Hay House, Inc..
Chicago-Zitierstil (17. Ausg.)Kwik, Jim. Limitless: Upgrade Your Brain, Learn Anything Faster, and Unlock Your Exceptional Life. 1st edition. Carlsbad, California: Hay House, Inc., 2020.
MLA-Zitierstil (9. Ausg.)Kwik, Jim. Limitless: Upgrade Your Brain, Learn Anything Faster, and Unlock Your Exceptional Life. 1st edition. Hay House, Inc., 2020.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.