APA (7th ed.) Citation

Gill, R. (2011). Theory and practice of leadership (2. ed.). Sage.

Chicago Style (17th ed.) Citation

Gill, Roger. Theory and Practice of Leadership. 2. ed. Los Angeles, Calif. [u.a.]: Sage, 2011.

MLA (9th ed.) Citation

Gill, Roger. Theory and Practice of Leadership. 2. ed. Sage, 2011.