APA (7th ed.) Citation

Numeroff, L. J., & Munsinger, L. (2013). Nighty-night, Cooper. Houghton Mifflin Books for Children.

Chicago Style (17th ed.) Citation

Numeroff, Laura Joffe, and Lynn Munsinger. Nighty-night, Cooper. Boston: Houghton Mifflin Books for Children, 2013.

MLA (8th ed.) Citation

Numeroff, Laura Joffe, and Lynn Munsinger. Nighty-night, Cooper. Houghton Mifflin Books for Children, 2013.

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