APA (7th ed.) Citation

Goat Island Summer School, Gost Island Summer School, & Christopher, K. (2000). Goat Island school book₂. Goat Island.

Chicago Style (17th ed.) Citation

Goat Island Summer School, Gost Island Summer School, and Karen Christopher. Goat Island School Book₂. [Chicago, Illinois]: Goat Island, 2000.

MLA (9th ed.) Citation

Goat Island Summer School, et al. Goat Island School Book₂. Goat Island, 2000.