APA (7th ed.) Citation

Clarke, L. (1994). The essence of change. Prentice-Hall.

Chicago Style (17th ed.) Citation

Clarke, Liz. The Essence of Change. New York [etc.]: Prentice-Hall, 1994.

MLA (9th ed.) Citation

Clarke, Liz. The Essence of Change. Prentice-Hall, 1994.

Warning: These citations may not always be 100% accurate.