APA (7th ed.) Citation

Gustlin, D., Gustlin, Z., & Gustlin, J. (2019). Jylian Gustlin. Unicorn.

Chicago Style (17th ed.) Citation

Gustlin, Deborah, Zoe Gustlin, and Jylian Gustlin. Jylian Gustlin. London: Unicorn, 2019.

MLA (9th ed.) Citation

Gustlin, Deborah, et al. Jylian Gustlin. Unicorn, 2019.