APA (7th ed.) Citation

Ziglar, Z. (1991). Ziglar on selling: The ultimate handbook for the complete sales professional. Castle Books.

Chicago Style (17th ed.) Citation

Ziglar, Zig. Ziglar on Selling: The Ultimate Handbook for the Complete Sales Professional. Kuala Lumpur: Castle Books, 1991.

MLA (8th ed.) Citation

Ziglar, Zig. Ziglar on Selling: The Ultimate Handbook for the Complete Sales Professional. Castle Books, 1991.

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