APA (7th ed.) Citation

Black, J. S., & Gregersen, H. B. (2008). It starts with one: Changing individuals changes organizations (2nd ed.). Wharton School Pub..

Chicago Style (17th ed.) Citation

Black, J. Stewart, and Hal B. Gregersen. It Starts with One: Changing Individuals Changes Organizations. 2nd ed. Upper Saddle River, N.J.: Wharton School Pub., 2008.

MLA (9th ed.) Citation

Black, J. Stewart, and Hal B. Gregersen. It Starts with One: Changing Individuals Changes Organizations. 2nd ed. Wharton School Pub., 2008.