Curtis, D. (1961). Your thoughts can change your life. Wilshire Book Co.
Style de citation Chicago (17e éd.)Curtis, Donald. Your Thoughts Can Change Your Life. Wilshire Book Co, 1961.
Style de citation MLA (9e éd.)Curtis, Donald. Your Thoughts Can Change Your Life. Wilshire Book Co, 1961.
Attention : ces citations peuvent ne pas être correctes à 100%.