Cita APA (7a ed.)

Almhjell, T., & Schoenherr, I. (2013). The Twistrose Key (First edition.). Dial Books for Young Readers, an imprint of Penguin Group (USA).

Cita Chicago Style (17a ed.)

Almhjell, Tone, y Ian Schoenherr. The Twistrose Key. First edition. New York: Dial Books for Young Readers, an imprint of Penguin Group (USA), 2013.

Cita MLA (8a ed.)

Almhjell, Tone, y Ian Schoenherr. The Twistrose Key. First edition. Dial Books for Young Readers, an imprint of Penguin Group (USA), 2013.

Precaución: Estas citas no son 100% exactas.