APA (7th ed.) Citation

Martin, G. R. (2011). A game of thrones: Book one of a song of ice and fire. Bantam Books.

Chicago Style (17th ed.) Citation

Martin, George R.R. A Game of Thrones: Book One of a Song of Ice and Fire. United States: Bantam Books, 2011.

MLA (8th ed.) Citation

Martin, George R.R. A Game of Thrones: Book One of a Song of Ice and Fire. Bantam Books, 2011.