Cita APA (7a ed.)

Shurtliff, L. (2019). The obsidian compass (First paperback edition.). Katherine Tegen Books, an imprint of HarperCollins Publishers.

Cita Chicago Style (17a ed.)

Shurtliff, Liesl. The Obsidian Compass. First paperback edition. New York, NY: Katherine Tegen Books, an imprint of HarperCollins Publishers, 2019.

Cita MLA (8a ed.)

Shurtliff, Liesl. The Obsidian Compass. First paperback edition. Katherine Tegen Books, an imprint of HarperCollins Publishers, 2019.

Precaución: Estas citas no son 100% exactas.