APA
Hesselbein F., Goldsmith M. & Leader to Leader Institute. (2006). The leader of the future 2. San Francisco: Jossey-Bass.
Chicago
Hesselbein Frances, Goldsmith Marshall and Leader to Leader Institute. 2006. The leader of the future 2. San Francisco: Jossey-Bass.
Harvard
Hesselbein F., Goldsmith M. and Leader to Leader Institute. (2006). The leader of the future 2. San Francisco: Jossey-Bass.
MLA
Hesselbein Frances, Goldsmith Marshall and Leader to Leader Institute. The leader of the future 2. San Francisco: Jossey-Bass. 2006.