APA (7th ed.) Citation

(1997). Gus and grandpa (1. ed.). Farrar, Straus and Giroux.

Chicago Style (17th ed.) Citation

Gus and Grandpa. 1. ed. New York, NY: Farrar, Straus and Giroux, 1997.

MLA (9th ed.) Citation

Gus and Grandpa. 1. ed. Farrar, Straus and Giroux, 1997.