Cita APA (7a ed.)

Hill, W. (2015). Zero hour. HarperCollins Children's Books.

Cita Chicago Style (17a ed.)

Hill, Will. Zero Hour. London: HarperCollins Children's Books, 2015.

Cita MLA (8a ed.)

Hill, Will. Zero Hour. HarperCollins Children's Books, 2015.

Precaución: Estas citas no son 100% exactas.