APA (7th ed.) Citation

Covey. (1992). Principle-centred leadership. Simon & Schuster.

Chicago Style (17th ed.) Citation

Covey. Principle-centred Leadership. New York: Simon & Schuster, 1992.

MLA (8th ed.) Citation

Covey. Principle-centred Leadership. Simon & Schuster, 1992.

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