APA (7th ed.) Citation

Burns, Goethals, & Sorenson. (2004). Encyclopedia of leadership (Volume 1-4.). ISage Publications.

Chicago Style (17th ed.) Citation

Burns, Goethals, and Sorenson. Encyclopedia of Leadership. Volume 1-4. United Kingdom: ISage Publications, 2004.

MLA (8th ed.) Citation

Burns, et al. Encyclopedia of Leadership. Volume 1-4. ISage Publications, 2004.