Cita APA

 Harrell, K. (2003).  The attitude of leadership: Taking the lead and keeping it.  Wiley.

Chicago Style Citation

 Harrell, Keith.  The Attitude of Leadership: Taking the Lead and Keeping It.  Wiley, 2003.

Cita MLA

 Harrell, Keith.  The Attitude of Leadership: Taking the Lead and Keeping It.  Wiley, 2003.

Atenció: Aquestes cites poden no estar 100% correctes.