APA (7th ed.) Citation

Hill, N. (2005). The master-key to riches. Napoleon Hill Associates.

Chicago Style (17th ed.) Citation

Hill, Napoleon. The Master-key to Riches. Kuala Lumpur: Napoleon Hill Associates, 2005.

MLA (9th ed.) Citation

Hill, Napoleon. The Master-key to Riches. Napoleon Hill Associates, 2005.

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