APA (7th ed.) Citation

Leonard, M. G., Sedgman, S., & Paganelli, E. (2022). The Arctic Railway assassin (First published.). Macmillan Children's Books.

Chicago Style (17th ed.) Citation

Leonard, M. G., Sam Sedgman, and Elisa Paganelli. The Arctic Railway Assassin. First published. London: Macmillan Children's Books, 2022.

MLA (9th ed.) Citation

Leonard, M. G., et al. The Arctic Railway Assassin. First published. Macmillan Children's Books, 2022.