APA (7th ed.) Citation

Belloc, H., & B. T. B. The bad child's book of beasts. Duckworth.

Chicago Style (17th ed.) Citation

Belloc, Hilaire, and B. T. B. The Bad Child's Book of Beasts. London: Duckworth.

MLA (8th ed.) Citation

Belloc, Hilaire, and B. T. B. The Bad Child's Book of Beasts. Duckworth.

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