Cita APA (7a ed.)

Zenger, J., & Folkman, J. (2009). The Extraordinary Leader: Turning Good Managers into Great Leaders, 2nd Edition (2nd edition.). McGraw-Hill.

Cita Chicago Style (17a ed.)

Zenger, John, y Joseph Folkman. The Extraordinary Leader: Turning Good Managers into Great Leaders, 2nd Edition. 2nd edition. McGraw-Hill, 2009.

Cita MLA (8a ed.)

Zenger, John, y Joseph Folkman. The Extraordinary Leader: Turning Good Managers into Great Leaders, 2nd Edition. 2nd edition. McGraw-Hill, 2009.