APA (7th ed.) Citation

Covey, S. R. (1999). Principle centred leadership. Simon & Schuster.

Chicago Style (17th ed.) Citation

Covey, Stephen R. Principle Centred Leadership. London: Simon & Schuster, 1999.

MLA (9th ed.) Citation

Covey, Stephen R. Principle Centred Leadership. Simon & Schuster, 1999.

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