Gannon, N. (2017). The Doldrums and the Helmsley curse (First edition.). Greenwillow Books, an imprint of HarperCollinsPublishers.
Style de citation Chicago (17e éd.)Gannon, Nicholas. The Doldrums and the Helmsley Curse. First edition. New York, NY: Greenwillow Books, an imprint of HarperCollinsPublishers, 2017.
Style de citation MLA (8e éd.)Gannon, Nicholas. The Doldrums and the Helmsley Curse. First edition. Greenwillow Books, an imprint of HarperCollinsPublishers, 2017.
Attention : ces citations peuvent ne pas être correctes à 100%.