APA (7th ed.) Citation

Blyton, E., & Soper, E. A. (1900). Little green duck and other stories. Brockhampton Press.

Chicago Style (17th ed.) Citation

Blyton, Enid, and Eileen Alice Soper. Little Green Duck and Other Stories. Leicester, England: Brockhampton Press, 1900.

MLA (9th ed.) Citation

Blyton, Enid, and Eileen Alice Soper. Little Green Duck and Other Stories. Brockhampton Press, 1900.