APA (7th ed.) Citation

Kingsley, C., & Duve, M. (1912). The water-babies. Moritz Diesterweg.

Chicago Style (17th ed.) Citation

Kingsley, Charles, and Marie Duve. The Water-babies. Frankfurt am Main: Moritz Diesterweg, 1912.

MLA (9th ed.) Citation

Kingsley, Charles, and Marie Duve. The Water-babies. Moritz Diesterweg, 1912.