APA

Martin G. R., . (2011). A Storm of Swords. London: HarperCollins.

Chicago

Martin George R.R, . 2011. A Storm of Swords. London: HarperCollins.

Harvard

Martin G. R., . (2011). A Storm of Swords. London: HarperCollins.

MLA

Martin George R.R, . A Storm of Swords. London: HarperCollins. 2011.