APA (7th ed.) Citation

Sadler, P. (2003). Leadership. 2nd edition (2nd ed.). Kogan Page.

Chicago Style (17th ed.) Citation

Sadler, Philip. Leadership. 2nd Edition. 2nd ed. London: Kogan Page, 2003.

MLA (8th ed.) Citation

Sadler, Philip. Leadership. 2nd Edition. 2nd ed. Kogan Page, 2003.

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