APA (7th ed.) Citation

Black, J., & Gregersen, H. B. (2008). It starts with one: Changing individuals changes organizations. Pearson Education.

Chicago Style (17th ed.) Citation

Black, J.Stewart, and Hal B. Gregersen. It Starts with One: Changing Individuals Changes Organizations. New Jersey: Pearson Education, 2008.

MLA (9th ed.) Citation

Black, J.Stewart, and Hal B. Gregersen. It Starts with One: Changing Individuals Changes Organizations. Pearson Education, 2008.