APA (7th ed.) Citation

(2007). The art of closing the sale: The key to making more money faster in the world of professional selling / Brian Tracy.

Chicago Style (17th ed.) Citation

The Art of Closing the Sale: The Key to Making More Money Faster in the World of Professional Selling / Brian Tracy. 2007.

MLA (9th ed.) Citation

The Art of Closing the Sale: The Key to Making More Money Faster in the World of Professional Selling / Brian Tracy. 2007.

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