APA (7th ed.) Citation

Grimes, N. (2004). What is goodbye? Hyperion Books for Children.

Chicago Style (17th ed.) Citation

Grimes, Nikki. What Is Goodbye? New York: Hyperion Books for Children, 2004.

MLA (9th ed.) Citation

Grimes, Nikki. What Is Goodbye? Hyperion Books for Children, 2004.

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