Manning, J., & Roberts, K. (2015). The disciplined leader: Keeping the focus on what really matters : 52 concise powerful lessons (First edition.). Berrett-Koehler Publishers, Inc.
Chicago Style (17th ed.) CitationManning, John, and Katie Roberts. The Disciplined Leader: Keeping the Focus on What Really Matters : 52 Concise Powerful Lessons. First edition. Oakland, California: Berrett-Koehler Publishers, Inc, 2015.
MLA (9th ed.) CitationManning, John, and Katie Roberts. The Disciplined Leader: Keeping the Focus on What Really Matters : 52 Concise Powerful Lessons. First edition. Berrett-Koehler Publishers, Inc, 2015.
Warning: These citations may not always be 100% accurate.