APA (7th ed.) Citation

Austin, R. D., Nolan, R. L., & O?Donnell, S. (2012). Harder than I thought: Adventures of a twenty-first century leader. Harvard Business Review Press.

Chicago Style (17th ed.) Citation

Austin, Robert D., Richard L. Nolan, and Shannon O?Donnell. Harder than I Thought: Adventures of a Twenty-first Century Leader. Boston, Mass: Harvard Business Review Press, 2012.

MLA (8th ed.) Citation

Austin, Robert D., et al. Harder than I Thought: Adventures of a Twenty-first Century Leader. Harvard Business Review Press, 2012.