Maxwell, J. C. (1997). The 21 most powerful minutes in a leader's day: Revitalize your spirit and empower your leadership. Thomas Nelson Publishers.
Chicago Style (17th ed.) CitationMaxwell, John C. The 21 Most Powerful Minutes in a Leader's Day: Revitalize Your Spirit and Empower Your Leadership. United States: Thomas Nelson Publishers, 1997.
MLA (9th ed.) CitationMaxwell, John C. The 21 Most Powerful Minutes in a Leader's Day: Revitalize Your Spirit and Empower Your Leadership. Thomas Nelson Publishers, 1997.
Warning: These citations may not always be 100% accurate.