APA (7th ed.) Citation

COVEY. (1992). Principle-centered leadership. Simon & Schuster.

Chicago Style (17th ed.) Citation

COVEY. Principle-centered Leadership. London: Simon & Schuster, 1992.

MLA (9th ed.) Citation

COVEY. Principle-centered Leadership. Simon & Schuster, 1992.

Warning: These citations may not always be 100% accurate.