APA (7th ed.) Citation

Chorao, K. (1999). Knock at the door and other baby action rhymes. Dutton Children's Books.

Chicago Style (17th ed.) Citation

Chorao, Kay. Knock at the Door and Other Baby Action Rhymes. New York: Dutton Children's Books, 1999.

MLA (8th ed.) Citation

Chorao, Kay. Knock at the Door and Other Baby Action Rhymes. Dutton Children's Books, 1999.

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