APA (7th ed.) Citation

Home Box Office (Firm) & Martin, G. R. R. (2013). Games of thrones: Map of Westeros and Essos. Pyramid America.

Chicago Style (17th ed.) Citation

Home Box Office (Firm) and George R. R. Martin. Games of Thrones: Map of Westeros and Essos. [United States?]: Pyramid America, 2013.

MLA (9th ed.) Citation

Home Box Office (Firm) and George R. R. Martin. Games of Thrones: Map of Westeros and Essos. Pyramid America, 2013.