APA (7th ed.) Citation

Ziglar, Z. (1992). Zig Ziglar's secrets of closing the sale. Fleming H. Revell Company.

Chicago Style (17th ed.) Citation

Ziglar, Zig. Zig Ziglar's Secrets of Closing the Sale. s.l.: Fleming H. Revell Company, 1992.

MLA (9th ed.) Citation

Ziglar, Zig. Zig Ziglar's Secrets of Closing the Sale. Fleming H. Revell Company, 1992.