APA (7th ed.) Citation

Kingsley, C., & Smith, J. W. (1920). The water babies. Hodder and Stoughton.

Chicago Style (17th ed.) Citation

Kingsley, Charles, and Jessie Willcox Smith. The Water Babies. London: Hodder and Stoughton, 1920.

MLA (9th ed.) Citation

Kingsley, Charles, and Jessie Willcox Smith. The Water Babies. Hodder and Stoughton, 1920.