APA (7th ed.) Citation

Roberts, C. G. D., Smith, F. V., & Bull, C. L. (2009). The House in the Water: A Book of Animal Stories. Project Gutenberg.

Chicago Style (17th ed.) Citation

Roberts, Charles G. D., Frank Vining Smith, and Charles Livingston Bull. The House in the Water: A Book of Animal Stories. Project Gutenberg, 2009.

MLA (9th ed.) Citation

Roberts, Charles G. D., et al. The House in the Water: A Book of Animal Stories. Project Gutenberg, 2009.

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