APA (7th ed.) Citation

Ziglar, Z. (2003). Selling 101: What every successful sales professional needs to know. Magna Publishing Co. Ltd.

Chicago Style (17th ed.) Citation

Ziglar, Zig. Selling 101: What Every Successful Sales Professional Needs to Know. Mumbai: Magna Publishing Co. Ltd, 2003.

MLA (9th ed.) Citation

Ziglar, Zig. Selling 101: What Every Successful Sales Professional Needs to Know. Magna Publishing Co. Ltd, 2003.