APA Style

Martin, G, R. (2003). A Storm of Swords (A Song of Ice and Fire, Book 3) (March 4, 2003). New York: random house worlds.

MLA Style

Martin, George, R.R.. "A Storm of Swords (A Song of Ice and Fire, Book 3)". March 4, 2003 New York: random house worlds, 2003. Text.