APA (7th ed.) Citation

Kaufman, A., Kristoff, J., & Lu, M. (2018). Obsidio. Allen & Unwin.

Chicago Style (17th ed.) Citation

Kaufman, Amie, Jay Kristoff, and Marie Lu. Obsidio. Sydney: Allen & Unwin, 2018.

MLA (9th ed.) Citation

Kaufman, Amie, et al. Obsidio. Allen & Unwin, 2018.