APA (7th ed.) Citation

Feiffer, K., & Feiffer, J. (2012). No go sleep! Simon & Schuster Books for Young Readers.

Chicago Style (17th ed.) Citation

Feiffer, Kate, and Jules Feiffer. No Go Sleep! New York: Simon & Schuster Books for Young Readers, 2012.

MLA (8th ed.) Citation

Feiffer, Kate, and Jules Feiffer. No Go Sleep! Simon & Schuster Books for Young Readers, 2012.

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