APA (7th ed.) Citation

Hill, N., & Abernathy, C. (2020). Napoleon Hill's First Editions (1st edition.). Ascent Audio.

Chicago Style (17th ed.) Citation

Hill, Napoleon, and Chris Abernathy. Napoleon Hill's First Editions. 1st edition. Ascent Audio, 2020.

MLA (9th ed.) Citation

Hill, Napoleon, and Chris Abernathy. Napoleon Hill's First Editions. 1st edition. Ascent Audio, 2020.

Warning: These citations may not always be 100% accurate.