APA (7th ed.) Citation

Butler, D. H. (2021). THE TREASURE TROOP: Summer Island. Penguin Workshop.

Chicago Style (17th ed.) Citation

Butler, Dori Hillestad. THE TREASURE TROOP: Summer Island. New York: Penguin Workshop, 2021.

MLA (9th ed.) Citation

Butler, Dori Hillestad. THE TREASURE TROOP: Summer Island. Penguin Workshop, 2021.

Warning: These citations may not always be 100% accurate.