APA (7th ed.) Citation

Gannon, N. (2015). The Doldrums (First published in Great Britain.). HarperCollins Children's Books.

Chicago Style (17th ed.) Citation

Gannon, Nicholas. The Doldrums. First published in Great Britain. London: HarperCollins Children's Books, 2015.

MLA (9th ed.) Citation

Gannon, Nicholas. The Doldrums. First published in Great Britain. HarperCollins Children's Books, 2015.

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