APA Style

Giuliani, Rudolph W.. (2003). Leadership . London: Time Warner.

Chicago Style

Giuliani, Rudolph W.. Leadership. London: Time Warner, 2003. Text.

MLA Style

Giuliani, Rudolph W.. Leadership. London: Time Warner, 2003. Text.

Turabian Style

Giuliani, Rudolph W.. Leadership. London: Time Warner, 2003. Print.