APA (7th ed.) Citation

Zappulla, J. (2016). Critical selling: How top performers accelerate the sales process and close more deals. John Wiley & Sons, Inc.

Chicago Style (17th ed.) Citation

Zappulla, Justin. Critical Selling: How Top Performers Accelerate the Sales Process and Close More Deals. Hoboken, New Jersey: John Wiley & Sons, Inc, 2016.

MLA (9th ed.) Citation

Zappulla, Justin. Critical Selling: How Top Performers Accelerate the Sales Process and Close More Deals. John Wiley & Sons, Inc, 2016.