APA (7th ed.) Citation

D'Innocenzo, L., & Cullen, J. (2001). The art of motivating and leading people, vol. 4. Velocity Business Pub.

Chicago Style (17th ed.) Citation

D'Innocenzo, Len, and Jack Cullen. The Art of Motivating and Leading People, Vol. 4. New Delhi: Velocity Business Pub, 2001.

MLA (8th ed.) Citation

D'Innocenzo, Len, and Jack Cullen. The Art of Motivating and Leading People, Vol. 4. Velocity Business Pub, 2001.