APA (7th ed.) Citation

BLUME. (2001). It's not the end of the world. Atheneum Books.

Chicago Style (17th ed.) Citation

BLUME. It's Not the End of the World. New York: Atheneum Books, 2001.

MLA (9th ed.) Citation

BLUME. It's Not the End of the World. Atheneum Books, 2001.

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