Cita APA (7a ed.)

Ewing, A. (2016). The black key. HarperTeen, an imprint of HarperCollins Publishers.

Cita Chicago Style (17a ed.)

Ewing, Amy. The Black Key. New York, NY: HarperTeen, an imprint of HarperCollins Publishers, 2016.

Cita MLA (8a ed.)

Ewing, Amy. The Black Key. HarperTeen, an imprint of HarperCollins Publishers, 2016.

Precaución: Estas citas no son 100% exactas.