Cita APA (7a ed.)

Robert, M. (1991). The essence of leadership: Strategy, innovation, and decisiveness. Quorum.

Cita Chicago Style (17a ed.)

Robert, Michel. The Essence of Leadership: Strategy, Innovation, and Decisiveness. New York [etc.]: Quorum, 1991.

Cita MLA (9a ed.)

Robert, Michel. The Essence of Leadership: Strategy, Innovation, and Decisiveness. Quorum, 1991.