APA Style

Martin, G, R, R. (2007). A Feast for Crows: A Song of Ice and Fire (October 30, 2007). New York, United States: random house worlds.

MLA Style

Martin, George, R., R.. "A Feast for Crows: A Song of Ice and Fire". October 30, 2007 New York, United States: random house worlds, 2007. Text.