APA (7th ed.) Citation

Cooper, H. (1997). The baby who wouldn't go to bed. Random House Children's Books.

Chicago Style (17th ed.) Citation

Cooper, Helen. The Baby Who Wouldn't Go to Bed. London: Random House Children's Books, 1997.

MLA (9th ed.) Citation

Cooper, Helen. The Baby Who Wouldn't Go to Bed. Random House Children's Books, 1997.

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