Gaya APA

Hesselbein, F. et al (1996). The leader of the future: new visions, strategies, and practices for the next era (1). : Jossey-Bass.

Gaya MLA

Hesselbein, Frances. et al. "The leader of the future: new visions, strategies, and practices for the next era". 1 : Jossey-Bass, 1996. Text.