APA (7th ed.) Citation

Duke, K. (1998). One Guinea pig is not enough (1. ed.). Dutton Children's Books.

Chicago Style (17th ed.) Citation

Duke, Kate. One Guinea Pig Is Not Enough. 1. ed. New York, NY: Dutton Children's Books, 1998.

MLA (9th ed.) Citation

Duke, Kate. One Guinea Pig Is Not Enough. 1. ed. Dutton Children's Books, 1998.