APA (7th ed.) Citation

King-Smith, D., & Minter-Kemp, C. (1988). Sophie's snail / written by Dick King-Smith ; illustrated by Claire Minter-Kemp. Walker.

Chicago Style (17th ed.) Citation

King-Smith, Dick, and Claire Minter-Kemp. Sophie's Snail / Written by Dick King-Smith ; Illustrated by Claire Minter-Kemp. London: Walker, 1988.

MLA (9th ed.) Citation

King-Smith, Dick, and Claire Minter-Kemp. Sophie's Snail / Written by Dick King-Smith ; Illustrated by Claire Minter-Kemp. Walker, 1988.

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