Cita APA (7a ed.)

Rylander, C. (2015). Countdown zero /2. Walden Pond Press, an imprint of HarperCollinsPublishers.

Cita Chicago Style (17a ed.)

Rylander, Chris. Countdown Zero /2. New York, NY: Walden Pond Press, an imprint of HarperCollinsPublishers, 2015.

Cita MLA (8a ed.)

Rylander, Chris. Countdown Zero /2. Walden Pond Press, an imprint of HarperCollinsPublishers, 2015.

Precaución: Estas citas no son 100% exactas.