APA (7th ed.) Citation

Aaseng, N. (1997). Poisonous creatures. Twenty-First Century Books.

Chicago Style (17th ed.) Citation

Aaseng, Nathan. Poisonous Creatures. New York: Twenty-First Century Books, 1997.

MLA (9th ed.) Citation

Aaseng, Nathan. Poisonous Creatures. Twenty-First Century Books, 1997.