APA (7th ed.) Citation

Green, R., Walker, T., & Burgess, J. (2017). How to make friends with a ghost. Tundra.

Chicago Style (17th ed.) Citation

Green, Rebecca, Tara Walker, and Jessica Burgess. How to Make Friends with a Ghost. [Toronto, ON]: Tundra, 2017.

MLA (9th ed.) Citation

Green, Rebecca, et al. How to Make Friends with a Ghost. Tundra, 2017.