APA (7th ed.) Citation

Sage Publications, Knippenberg, D. v., & Hogg, M. A. (2003). Leadership and power: Identity processes in groups and organizations. SAGE.

Chicago Style (17th ed.) Citation

Sage Publications, Daan van Knippenberg, and Michael A. Hogg. Leadership and Power: Identity Processes in Groups and Organizations. London: SAGE, 2003.

MLA (9th ed.) Citation

Sage Publications, et al. Leadership and Power: Identity Processes in Groups and Organizations. SAGE, 2003.