APA (7th ed.) Citation

Maestro, G., & Hartt, C. F. (1972). The tortoise's tug of war / retold and illustrated by Giulio Maestro. Macmillan.

Chicago Style (17th ed.) Citation

Maestro, Giulio, and Charles Frederick Hartt. The Tortoise's Tug of War / Retold and Illustrated by Giulio Maestro. London: Macmillan, 1972.

MLA (9th ed.) Citation

Maestro, Giulio, and Charles Frederick Hartt. The Tortoise's Tug of War / Retold and Illustrated by Giulio Maestro. Macmillan, 1972.

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