APA (7th ed.) Citation

Ruiz Zafón, C., & Graves, L. (2012). The prisoner of heaven: A novel (1st U.S. ed.). Harper.

Chicago Style (17th ed.) Citation

Ruiz Zafón, Carlos, and Lucia Graves. The Prisoner of Heaven: A Novel. 1st U.S. ed. New York: Harper, 2012.

MLA (8th ed.) Citation

Ruiz Zafón, Carlos, and Lucia Graves. The Prisoner of Heaven: A Novel. 1st U.S. ed. Harper, 2012.

Warning: These citations may not always be 100% accurate.