APA (7th ed.) Citation

Dennis, H., & Wolf, B. K. (2017). River of ink: Mortal. Hodder Children's Books.

Chicago Style (17th ed.) Citation

Dennis, Helen, and Bonnie Kate Wolf. River of Ink: Mortal. London: Hodder Children's Books, 2017.

MLA (9th ed.) Citation

Dennis, Helen, and Bonnie Kate Wolf. River of Ink: Mortal. Hodder Children's Books, 2017.

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