Cita APA (7a ed.)

Gordon, J. C., & Berry, J. K. (2006). Environmental leadership equals essential leadership: Redefining who leads and how. Yale University Press.

Cita Chicago Style (17a ed.)

Gordon, J. C., y Joyce K. Berry. Environmental Leadership Equals Essential Leadership: Redefining Who Leads and How. New Haven: Yale University Press, 2006.

Cita MLA (8a ed.)

Gordon, J. C., y Joyce K. Berry. Environmental Leadership Equals Essential Leadership: Redefining Who Leads and How. Yale University Press, 2006.