APA (7th ed.) Citation

Blanchard, K., Hybels,Bill, & Hodges,Phil. (1999). Leadership by the book: Tools to transform your workplace. Harper collins Publisher.

Chicago Style (17th ed.) Citation

Blanchard, Ken, Hybels,Bill, and Hodges,Phil. Leadership by the Book: Tools to Transform Your Workplace. London: Harper collins Publisher, 1999.

MLA (8th ed.) Citation

Blanchard, Ken, et al. Leadership by the Book: Tools to Transform Your Workplace. Harper collins Publisher, 1999.

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