APA (7th ed.) Citation

Heiman, S. E., Sanchez, & Tuleja. (2004). The new conceptual selling. Kogan Page.

Chicago Style (17th ed.) Citation

Heiman, Stephen E., Sanchez, and Tuleja. The New Conceptual Selling. London: Kogan Page, 2004.

MLA (8th ed.) Citation

Heiman, Stephen E., et al. The New Conceptual Selling. Kogan Page, 2004.