Style de citation APA (7e éd.)

Main, M., Hill, N., Canfield, J., & Proctor, B. (2019). The lost secret: Unlocking the hidden chapters of Napoleon Hill's think and grow rich. Waterside Productions.

Style de citation Chicago (17e éd.)

Main, Monica, Napoleon Hill, Jack Canfield, et Bob Proctor. The Lost Secret: Unlocking the Hidden Chapters of Napoleon Hill's Think and Grow Rich. Cardiff-by-the-Sea, CA: Waterside Productions, 2019.

Style de citation MLA (8e éd.)

Main, Monica, et al. The Lost Secret: Unlocking the Hidden Chapters of Napoleon Hill's Think and Grow Rich. Waterside Productions, 2019.

Attention : ces citations peuvent ne pas être correctes à 100%.