APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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

Warning: These citations may not always be 100% accurate.